Glossary Letter L
L1 - L1 and L2 are levels of cache memory in a computer.
L1 and L2 - L1 and L2 are levels of cache memory in a computer.
l10n - Localization (sometimes shortened to "L10n") is the process of adapting a product or service to a particular language, culture and desired local "look-and-feel.
L2 - L1 and L2 are levels of cache memory in a computer.
L2TP - Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet.
L3 Harris Technologies - L3 Harris Technologies is a military technology company.
labor arbitrage - Labor arbitrage is the practice of making use of the least costly labor for producing products or goods.
labor automation - Labor automation refers to the use of technology to perform specific tasks or jobs traditionally done by humans.
labor law - Labor law is legislation specifying responsibilities and rights in employment, particularly the responsibilities of the employer and the rights of the employee.
labor productivity ratio - The labor productivity ratio is a metric expressing the number of work units produced per time worked.
Laboratory Data Sharing Interoperability - Laboratory Data Sharing Interoperability (LDSI) is an initiative that allows chemistry and hematology lab tests and results to be shared between the Veterans Administration, the Department of Defense and private or commercial laboratories.
Laboratory Data Sharing Interoperability (LDSI) - Laboratory Data Sharing Interoperability (LDSI) is an initiative that allows chemistry and hematology lab tests and results to be shared between the Veterans Administration, the Department of Defense and private or commercial laboratories.
laboratory information system - A laboratory information system (LIS) is software that collects, stores and produces reports from medical test data.
laboratory robotics - Laboratory robotics is the practice of using robots to perform or assist in laboratory tasks.
Lady Byron - Augusta Ada King, Countess of Lovelace, was an English mathematician who is credited with being the first computer programmer.
Lakeside Software - Lakeside Software is a desktop monitoring software company known for its SysTrack product, which provides performance data and analytics for physical and virtual desktops.
lamb - In biometric verification, a goat is a system end-user who is refused access to the system because their biometric data pattern is outside the range recognized by the system.
lambda - Lambda, the 11th letter of the Greek alphabet, is the symbol for wavelength.
lambda (general definition) - Lambda, the 11th letter of the Greek alphabet, is used as a symbol in optical fiber networking, in mathematics and in computer programming.
Lambda architecture - Lambda architecture is an approach to big data management that provides access to batch processing and near real-time processing with a hybrid approach.
lambda calculus - Lambda calculus, considered to be the mathematical basis for programming language, is a calculus developed by Alonzo Church and Stephen Kleene in the 1930s to express all computable�functions.
lambda switching - Lambda switching (sometimes called photonic switching, or wavelength switching) is the technology used in optical networking to switch individual wavelengths of light onto separate paths for specific routing of information.
lamer - Lamer is a term used on interactive Web sites to describe an irritating or immature participant.
LAMP - LAMP is an open source Web development platform that uses Linux as the operating system, Apache as the Web server, MySQL as the relational database management system and PHP as the object-oriented scripting language.
LAMP (Linux, Apache, MySQL, PHP) - LAMP is an open source Web development platform that uses Linux as the operating system, Apache as the Web server, MySQL as the relational database management system and PHP as the object-oriented scripting language.
LAN - A local area network (LAN) is a group of computers and peripheral devices that share a common communications line or wireless link to a server within a distinct geographic area.
LAN server - A local area network (LAN) server is a program (and by implication usually the computer it runs in) that "serves" the resources (files, storage, application programs, printers, and other devices) for a number of attached workstations.
LAN-free backup - LAN-free backup is the process of backing up server data to a centralized storage device rather than moving it across a local-area network (LAN).
LANDesk Client Manager - LDCM (LANDesk Client Manager) is a software product from Intel that lets a system administrator for a local area network () see the configurations and monitor the status of personal computer on the LAN.
LANDesk Client Manager (LDCM) - LDCM (LANDesk Client Manager) is a software product from Intel that lets a system administrator for a local area network () see the configurations and monitor the status of personal computer on the LAN.
landing page - In Web advertising and marketing, a jump page is a Web page that is made to appear temporarily in order to capture the user's attention as a promotion or to gather user information in a survey.
landline - A landline is a telephone that transmits signals converted from audio data through physical media, such as wire or fibre optic cable, rather than through wireless transmission as is the case with mobile phones.
landscape - In printing from a computer, landscape refers to a mode in which content is printed for reading on the longer length of the sheet of paper.
Langmuir Blodgett film - A Langmuir-Blodgett (LB) film is a set of monolayers, or layers of organic material one molecule thick, deposited on a solid substrate.
Langmuir-Blodgett film - A Langmuir-Blodgett (LB) film is a set of monolayers, or layers of organic material one molecule thick, deposited on a solid substrate.
Langmuir-Blodgett film (LB film) - A Langmuir-Blodgett (LB) film is a set of monolayers, or layers of organic material one molecule thick, deposited on a solid substrate.
Language Integrated Query - LINQ (Language Integrated Query) is a Microsoft programming model and methodology that essentially adds formal query capabilities into Microsoft .
language modeling - Language modeling (LM) is the use of various statistical and probabilistic techniques to determine the probability of a given sequence of words occurring in a sentence.
Language Workbench - A Language Workbench (LWB) is a development toolset that facilitates the development and editing of domain specific languages (DSLs).
language-oriented programming (LOP) - Language-oriented programming (LOP) is an approach to software development that focuses on the use of domain specific languages (DSLs) to solve problems within various domains in a system or application.
laptop - A laptop computer, usually called a notebook computer by manufacturers, is a battery- or AC-powered personal computer generally smaller than a briefcase that can easily be transported and conveniently used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings.
laptop computer - A laptop computer, usually called a notebook computer by manufacturers, is a battery- or AC-powered personal computer generally smaller than a briefcase that can easily be transported and conveniently used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings.
LAR - A large account reseller (LAR) is a label used by Microsoft to identify its largest value-added resellers (VARs).
Large Account Reseller - A large account reseller (LAR) is a label used by Microsoft to identify its largest value-added resellers (VARs).
Large Account Reseller (LAR) - A large account reseller (LAR) is a label used by Microsoft to identify its largest value-added resellers (VARs).
Large Hadron Collider - The Large Hadron Collider (LHC) is a particle accelerator under development by CERN, the world's largest organization devoted to particle physics.
Large Hadron Collider (LHC) - The Large Hadron Collider (LHC) is a particle accelerator under development by CERN, the world's largest organization devoted to particle physics.
LARP (Live Action Role Playing) - LARP (Live Action Role Playing), also called LARPing, is a character-driven type of gameplay that is conducted in the physical world.
laser - A laser is a coherent and focused beam of photons; coherent, in this context, means that it is all one wavelength, unlike ordinary light which showers on us in many wavelengths.
laser diode - A laser diode, also known as an injection laser or diode laser, is a semiconductor device that produces coherent radiation (in which the waves are all at the same frequency and phase) in the visible or infrared (IR) spectrum when current passes through it.
laser diode (injection laser or diode laser) - A laser diode, also known as an injection laser or diode laser, is a semiconductor device that produces coherent radiation (in which the waves are all at the same frequency and phase) in the visible or infrared (IR) spectrum when current passes through it.
laser printer - A laser printer is a popular type of personal computer printer that uses a non-impact (keys don't strike the paper), photocopier technology.
laserdisc - Laserdisc is a technology and the physical medium used in storing and providing programmed access to a large database of text, pictures, and other objects, including motion video and full multimedia presentations.
last mile delivery - Last mile delivery is a term used for transportation of merchandise from the nearest distribution hub to the final destination, such as a home or business.
last mile of finance (LMOF) - The last mile of finance is composed of the management processes that finance executives perform after the monthly, quarterly or annual close to prepare for financial reporting and disclosure.
last-mile technology - Last-mile technology is any telecommunications technology that carries signals from the broad telecommunication backbone along the relatively short distance (hence, the "last mile") to and from the home or business.
LATA - LATA (local access and transport area) is a term in the U.
latency - Latency is the delay from the input into a system to a desired outcome.
latent data (ambient data) - Latent data, also known as ambient data, is the information in computer storage that is not referenced in file allocation tables and is generally not viewable through the operating system (OS) or standard applications.
LaTeX - LaT E X (pronounced "lah-TEKH" and alternatively denoted as LaTeX), is a programming language that is used for typesetting technical data.
latitude - Latitude and longitude are angles that uniquely define points on a sphere.
latitude and longitude - Latitude and longitude are angles that uniquely define points on a sphere.
law of averages - The law of averages is an erroneous generalization of the law of large numbers, which states that the frequencies of events with the same likelihood of occurrence even out, given enough trials or instances.
law of diminishing returns - The law of diminishing returns is an economic principle that states that as investment in a single goal increases, while all other variables remain constant, the return on investment will eventually decline.
law of large numbers - The law of large numbers is a principle of probability according to which the frequencies of events with the same likelihood of occurrence even out, given enough trials or instances.
law of unintended consequences - The law of unintended consequences is a frequently-observed phenomenon in which any action has results that are not part of the actor's purpose.
lawful interception - Lawful interception (LI) is the legally sanctioned official access to private communications, such as telephone calls or e-mail messages.
lawful interception (LI) - Lawful interception (LI) is the legally sanctioned official access to private communications, such as telephone calls or e-mail messages.
layer - In computer programming, layering is the organization of programming into separate functional components that interact in some sequential and hierarchical way, with each layer usually having an interface only to the layer above it and the layer below it.
layer 4-7 router - A hardware load-balancing device (HLD), also known as a layer 4-7 router, is a physical unit that directs computers to individual servers in a network, based on factors such as server processor utilization, the number of connections to a server, or the overall server performance.
Layer Two Tunneling Protocol - Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet.
Layer Two Tunneling Protocol (L2TP) - Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet.
layering - In computer programming, layering is the organization of programming into separate functional components that interact in some sequential and hierarchical way, with each layer usually having an interface only to the layer above it and the layer below it.
lazy loading - Lazy loading, also known as dynamic function loading, is a mode that allows a developer to specify what components of a program should not be loaded into storage by default when a program is started.
lazy loading (dynamic function loading) - Lazy loading, also known as dynamic function loading, is a mode that allows a developer to specify what components of a program should not be loaded into storage by default when a program is started.
LB film - A Langmuir-Blodgett (LB) film is a set of monolayers, or layers of organic material one molecule thick, deposited on a solid substrate.
LBA - Logical block addressing is a technique that allows a computer to address a hard disk larger than 528 megabytes.
LBO (leveraged buyout) - An LBO or leveraged buyout is the purchase of a company or single asset using a large amount of borrowed money, supplemented with some equity from the acquirer.
LBS - A location-based service (LBS) is a software application for a mobile device that requires knowledge about where the mobile device is located.
LCC - Limited combustible cable (LCC), also called CMP-50 cable, is fire-resistant cable with insulation made of a synthetic material called fluorinated ethylene propylene (FEP).
LCD - LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation.
LCD (Liquid Crystal Display) - LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation.
LCD TV - LCD TV is a television display technology based on a liquid crystal display.
LCL layer - The Logical Link Control (LCL) layer is one of two sublayers of the Data-Link layer in the Open Systems Interconnection (OSI) model of communication.
LCP - In the Point-to-Point Protocol (PPP), the Link ControlProtocol (LCP) establishes, configures, and tests data-link Internet connections.
LDAP - LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate data such as organizations, individuals and other resources such as files and devices in a network -- whether on the public internet or on a corporate intranet.
LDAP (Lightweight Directory Access Protocol) - LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate data such as organizations, individuals and other resources such as files and devices in a network -- whether on the public internet or on a corporate intranet.
LDAP injection - LDAP injection is a type of security exploit that is used to compromise the authentication process used by some websites.
LDCM - LDCM (LANDesk Client Manager) is a software product from Intel that lets a system administrator for a local area network () see the configurations and monitor the status of personal computer on the LAN.
LDIF - LDIF (Lightweight Directory Interchange Format) is an ASCII file format used to exchange data and enable the synchronization of that data between Lightweight Directory Access Protocol (LDAP) servers called Directory System Agents (DSAs).
LDIF (Lightweight Directory Interchange Format) - LDIF (Lightweight Directory Interchange Format) is an ASCII file format used to exchange data and enable the synchronization of that data between Lightweight Directory Access Protocol (LDAP) servers called Directory System Agents (DSAs).
LDQ - Longest delay in queue (LDQ) is the longest time period that a customer in a queue waits before either connecting with an agent or hanging up.
LDSI - Laboratory Data Sharing Interoperability (LDSI) is an initiative that allows chemistry and hematology lab tests and results to be shared between the Veterans Administration, the Department of Defense and private or commercial laboratories.
lead generation - Lead generation is the use of a computer program, a database, the Internet, or a specialized service to obtain or receive information for the purpose of expanding the scope of a business, increasing sales revenues, looking for a job or for new clients, or conducting specialized research.
lead generator - A lead generator is any marketing-related activity intended to publicize the availability of a vendor's product or service.
lead nurturing - Lead nurturing is a set of integrated marketing strategies designed to turn a potential customer into a buyer.
lead scoring - In the B2B industry, lead scoring is a methodology used by sales and marketing departments to determine the worthiness of leads, or potential customers, by attaching values to them based on their behavior relating to their interest in products or services.
lead time (in purchasing/procurement) - In procurement, lead time includes the first effort to initiate procurement of goods or services up to the time of their arrival.
lead trajectory - A lead trajectory is a projected path of a lead or potential customer as it applies to a goal, such as signing the customer up for a service or making a sale.
lead-to-revenue management (L2RM) - Lead-to-revenue management (L2RM) is a collection of sales and marketing processes that aims to maximize the income gained from each stage of the customer journey.
leaderboard - A leaderboard is a popular type of banner advertisement.
leadership - Leadership is the ability of an individual or a group of individuals to influence and guide followers or other members of an organization.
Leadership in Energy and Environmental Design - LEED (Leadership in Energy and Environmental Design) is an ecology-oriented building certification program run under the auspices of the U.
leadership skills - Leadership skills are the strengths and abilities individuals demonstrate that help the oversee processes, guide initiatives and steer their employees toward the achievement of goals.
leadership traits - Leadership traits are the personal qualities that shape effective leaders.
leaf-spine (leaf-spine architecture) - Leaf-spine is a two-layer network topology composed of leaf switches and spine switches.
leaky app - A leaky app is a small software program – typically a mobile app – that transmits user data across the Internet.
leaky bucket - The leaky bucket is an analogy for describing how inputs and outputs work in a wide variety of business and technology contexts.
leaky bucket algorithm - The leaky bucket algorithm is used to implement traffic policing and traffic shaping in Ethernet and cellular data networks.
leaky feeder - A leaky feeder is a coaxial cable that has small sections of its copper shielding stripped away to allow radio frequency (RF) signals to escape.
leaky pipeline - A leaky pipeline is a system designed to channel something from one place to another that is flawed in such a way that it loses some quantity of what it carries before it reaches the destination.
lean client - A thin client (or lean client) is a virtual desktop computing model that runs on the resources stored on a central server instead of a computer's resources.
lean data transfer - Throttled data transfer, also known as data transfer throttling or lean data transfer, is the deliberate regulation of the data transfer rate in a communications system.
lean management - Lean manufacturing is a methodology that focuses on minimizing waste within manufacturing systems while simultaneously maximizing productivity.
lean management - Lean management is an approach to managing an organization that supports the concept of continuous improvement, a long-term approach to work that systematically seeks to achieve small, incremental changes in processes in order to improve efficiency and quality.
lean manufacturing (lean production) - Lean manufacturing is a methodology that focuses on minimizing waste within manufacturing systems while simultaneously maximizing productivity.
Lean Six Sigma - Lean Six Sigma is a data-driven approach to improving efficiency, customer satisfaction and profits.
lean software development - Lean software development is a concept that emphasizes optimizing efficiency and minimizing waste in the development of software.
lean startup - Lean startup is an approach to building new businesses based on the belief that entrepreneurs must investigate, experiment, test and iterate as they develop products.
lean water spider - Lean water spider is a term used in manufacturing that refers to a position in a production environment or warehouse that ensures materials are supplied where and when they are needed.
LEAP - LEAP (Lightweight Extensible Authentication Protocol) is a Cisco-proprietary version of EAP, the authentication protocol used in wireless networks and Point-to-Point connections.
LEAP (Lightweight Extensible Authentication Protocol) - LEAP (Lightweight Extensible Authentication Protocol) is a Cisco-proprietary version of EAP, the authentication protocol used in wireless networks and Point-to-Point connections.
leapfrog migration - Leapfrog migration is the process of making an application upgrade directly to the newest version of the application without having to migrate through in-between versions first.
Learn IT: How Spam Affects Email Marketing Campaigns - 1. What's the difference between spam and legitimate email marketing? Spam is unsolicited bulk email (UBE).
Learn IT: Malware - Emerging strains of malware include new evasion and obfuscation techniques that are designed to fool security administrators and anti-malware products, as well as end users.
Learn IT: multi-factor authentication basics (MFA basics) - Learn an IT concept in ten easy steps.
Learn IT: Software development - Learn an IT concept in 10 easy steps.
Learn IT: systems management - Systems management is the supervision of the information technology systems in an enterprise.
Learn IT: The Power of the Database - An introduction to the power of the database.
learnability - Learnability is a quality of products and interfaces that allows users to quickly become familiar with them and able to make good use of all their features and capabilities.
learning aid - A cheat sheet is a piece of paper with information written down on it that an unethical person might create if they weren't prepared for a test.
learning curve - Learning curves are a visualization of the difficulty estimated in learning a subject over a period of time as well as relative progress throughout the process of learning.
learning experience platform (LXP) - A learning experience platform (LXP) is an AI-driven peer learning experience platform delivered using software as a service (SaaS).
Learning Guide: Spyware - Why spyware isn't just a home-user problem.
Learning guides and tutorials - A collection of learning guides and tutorials from TechTarget Web sites.
learning management system - A learning management system (LMS) is a software application or web-based technology used to plan, implement and assess a specific learning process.
learning management system (LMS) - A learning management system (LMS) is a software application or web-based technology used to plan, implement and assess a specific learning process.
Learning Path: Basic Computer Concepts - A progressive list of terminology to teach yourself about computer basics.
Learning Path: Computer Details - This page provides alearning path that uses a sequence of definitions from whatis.
Learning Path: CRM (Customer Relationship Management) - A progressive list of terminology to teach yourself about CRM.
Learning Path: Electronics - So that you can give yourself a quick tutorial on electronics, we've arranged our definitions in this Learning Path in a sequence, with more basic building block topics placed at the beginning.
Learning Path: Operating Systems and Applications - A progressive list of terminology to teach yourself about operating systems and applications.
Learning Path: Telephony and Wide Area Networks - TELEPHONY AND WIDE AREA NETWORKS.
Learning Path: Testing network cable - This pages provides a learning path that uses a sequence of definitions from whatis.
Learning Paths - We call the idea "Learning paths.
leased line - A leased line is a bidirectional telephone line that has been rented for private voice, data exchange or telecommunication use.
least cost routing (LCR) - Least cost routing (LCR) is a process that allows telecommunications providers to select the lowest cost carrier for bandwidth provision for their voice communications.
LEC - LEC (local exchange carrier) is the term for a public telephone company in the U.
LECs - LEC (local exchange carrier) is the term for a public telephone company in the U.
LED - A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
LED backlight LCD television - LED TV is a type of LCD television that uses light-emitting diodes (LEDs) to backlight the display instead of the cold cathode fluorescent lights (CCFLs) used in standard LCD televisions.
LED light bulb - An LED light bulb is a solid-state lighting (SSL) device that fits in standard screw-in connections but uses LEDs (light-emitting diodes) to produce light.
LED TV - LED TV is a type of LCD television that uses light-emitting diodes (LEDs) to backlight the display instead of the cold cathode fluorescent lights (CCFLs) used in standard LCD televisions.
LED TV (LED-backlight LCD television) - LED TV is a type of LCD television that uses light-emitting diodes (LEDs) to backlight the display instead of the cold cathode fluorescent lights (CCFLs) used in standard LCD televisions.
LED-backlight LCD television - LED TV is a type of LCD television that uses light-emitting diodes (LEDs) to backlight the display instead of the cold cathode fluorescent lights (CCFLs) used in standard LCD televisions.
lede - A lede is the introductory part of an article, which may be the first sentence or as much as a paragraph.
LEED - LEED (Leadership in Energy and Environmental Design) is an ecology-oriented building certification program run under the auspices of the U.
LEED (Leadership in Energy and Environmental Design) - LEED (Leadership in Energy and Environmental Design) is an ecology-oriented building certification program run under the auspices of the U.
leet - Leet speak, also known as simply leet, is the substitution of a word's letters with numbers or special characters.
leet speak - Leet speak, also known as simply leet, is the substitution of a word's letters with numbers or special characters.
leet speak (leet) - Leet speak, also known as simply leet, is the substitution of a word's letters with numbers or special characters.
leetspeak - Leet speak, also known as simply leet, is the substitution of a word's letters with numbers or special characters.
leetspeek - Leet speak, also known as simply leet, is the substitution of a word's letters with numbers or special characters.
legacy - A legacy application (legacy app) is a software program that is outdated or obsolete.
legacy application - A legacy application (legacy app) is a software program that is outdated or obsolete.
legacy operating system - A legacy platform, also called a legacy operating system, is an operating system (OS) no longer in widespread use, or that has been supplanted by an updated version of earlier technology.
legacy platform - A legacy platform, also called a legacy operating system, is an operating system (OS) no longer in widespread use, or that has been supplanted by an updated version of earlier technology.
legacy platform (legacy operating system) - A legacy platform, also called a legacy operating system, is an operating system (OS) no longer in widespread use, or that has been supplanted by an updated version of earlier technology.
legacy storage - Legacy storage is traditional storage hardware that is older and sometimes no longer sold by its vendor.
legal analytics - Legal analytics is the application of data analysis methods and technologies within the field of law to improve efficiency, gain insight and realize greater value from available data.
Legal Discovery - Electronic discovery (also called e-discovery or ediscovery) refers to any process in which electronic data is sought, located, secured, and searched with the intent of using it as evidence in a civil or criminal legal case.
legal health record - A legal health record is the record of patient health that is created by a health care organization for its own business record.
lemmatization - Lemmatization is the grouping together of different forms of the same word.
lemniscate - A lemniscate is a plane curve with a characteristic shape, consisting of two loops that meet at a central point as shown below.
Lemon Wallet - Lemon Wallet is a digital wallet application that allows users to store digital copies of identification, insurance, loyalty and payment cards, providing a backup in case a physical wallet is lost, stolen or left at home.
length - Displacement (symbolized d or s), also called length or distance, is a one-dimensional quantity representing the separation between two defined points.
Lenovo Converged HX series - HX hyper-converged infrastructure appliances are designed for virtual desktop infrastructure (VDI), server virtualization, private and hybrid clouds, enterprise applications and remote/branch office (ROBO) environments.
Lenovo IdeaPad Yoga - The Lenovo IdeaPad Yoga is a line of convertible tablet computers that run the Windows operating system.
LEO - In general, a satellite is anything that orbits something else, as, for example, the moon orbits the earth.
Leonardo da Vinci's car - Da Vinci's car is a vehicle developed from the Renaissance artist/engineer/architect's drawings.
Leonardo Fibonacci - Leonardo Pisano, also known as Fibonacci (for filius Bonacci, meaning son of Bonacci), was an Italian mathematician who lived from 1170 - 1250.
Leonardo Fibonacci (Pisano) - Leonardo Pisano, also known as Fibonacci (for filius Bonacci, meaning son of Bonacci), was an Italian mathematician who lived from 1170 - 1250.
Leonardo Pisano - Leonardo Pisano, also known as Fibonacci (for filius Bonacci, meaning son of Bonacci), was an Italian mathematician who lived from 1170 - 1250.
Leonardo's car - Da Vinci's car is a vehicle developed from the Renaissance artist/engineer/architect's drawings.
LES - The Logistics Execution System (LES), a major component of the supply chain management (SCM) application from SAP, allows an administrator to manage the information and processes involved in all stages of the supply chain, from procuring raw materials to distributing finished products.
Let's Encrypt - Let's Encrypt is designed to simplify the acquisition of SSL/TLS digital certificates proving a site’s authenticity, while also providing encryption.
letter of intent - A letter of intent (LOI) is a document outlining the general plans of an agreement between two or more parties before a legal agreement is finalized.
letterpress - Test yourself.
letterpress - Letterpress is the oldest form of printing.
level of support - Level of support indicates a specific extent of technical assistance in the total range of assistance that is provided by an information technology product (such as a software product) to its customers.
level of support (support level) - Level of support indicates a specific extent of technical assistance in the total range of assistance that is provided by an information technology product (such as a software product) to its customers.
leverage - In the physical sense, leverage is an assisted advantage.
Lex - Lex is a program designed to generate scanners, also known as tokenizers, which recognize lexical patterns in text.
Lex (lexical analyzer generator) - Lex is a program designed to generate scanners, also known as tokenizers, which recognize lexical patterns in text.
LexiBot - LexiBot is a specialized search tool developed by BrightPlanet, as a means of searching the deep Web (the hidden part of the Web that may contain 500 times the content accessible to conventional search engines).
lexical ambiguity - Lexical ambiguity is the potential for multiple interpretations of spoken or written language that renders it difficult or impossible to understand without some additional information.
lexical analyzer generator - Lex is a program designed to generate scanners, also known as tokenizers, which recognize lexical patterns in text.
lexical scoping - Lexical scoping (sometimes known as static scoping) is a convention used with many programming languages that sets the scope (range of functionality) of a variable so that it may only be called (referenced) from within the block of code in which it is defined.
lexical scoping (static scoping) - Lexical scoping (sometimes known as static scoping) is a convention used with many programming languages that sets the scope (range of functionality) of a variable so that it may only be called (referenced) from within the block of code in which it is defined.
LHC - The Large Hadron Collider (LHC) is a particle accelerator under development by CERN, the world's largest organization devoted to particle physics.
LI - Lawful interception (LI) is the legally sanctioned official access to private communications, such as telephone calls or e-mail messages.
Li Ion - A Lithium Ion (Li-Ion) battery is a rechargeable battery with twice the energy capacity of a Nickel-Cadmium battery and greater stability and safety.
Li-Ion - A Lithium Ion (Li-Ion) battery is a rechargeable battery with twice the energy capacity of a Nickel-Cadmium battery and greater stability and safety.
Li-Ion battery - A Lithium Ion (Li-Ion) battery is a rechargeable battery with twice the energy capacity of a Nickel-Cadmium battery and greater stability and safety.
liaison officer - A liaison officer is an employee who is responsible for establishing a positive working relationship between two or more people, organizations or agencies, typically with the goal of working through a mutual problem or concern.
library - In computing, a library is a collection of similar objects that are stored for occasional use - most frequently, programs in source code or object code form, data files, scripts, templates, fonts, and physical storage units such as tape cartridges.
license - An End User License Agreement (EULA) is a legal contract between a software application author or publisher and the user of that application.
Lidar - Lidar typically uses a low-power, eye-safe pulsing laser working in conjunction with a camera.
LIDB - A line information database (LIDB) is a database maintained by the local telephone company that contains subscriber information, such as a service profile, name and address, and credit card validation information.
life-cycle cost analysis (LCCA) - Life-cycle cost analysis (LCCA) is the study of all the costs associated with processes, materials and goods from acquisition to ownership and maintenance, through to and including disposal.
Life360 - Life360 is a family communication, location and alert app for smartphones that allows users to share their locations with each other.
lifecasting - Lifecasting is 24/7 broadcasting of events in a person’s life through digital media.
lifestyle business - A lifestyle business is one that is geared toward supporting the owner’s income and personal requirements rather than maximizing revenue.
lifestyle center - A lifestyle center is a shopping center, or mixed-use commercial development that combines retail with other services, such as medical services, home rental units, movie theaters and other leisure or other activities.
lifestyle polygraph - A lifestyle polygraph is a lie-detector (polygraph) test that is administered as a requirement for employment in certain fields.
LiFi - LiFi is a wireless optical networking technology that uses light-emitting diodes (LEDs) for data transmission.
lift and shift - Lift and shift is a strategy for moving an application or operation from one environment to another – without redesigning the app.
light emitting diode - A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
light emitting diode - OLED (organic light-emitting diode) is a display technology, pioneered and patented by Kodak, based on the use of organic polymer material as the semiconductor material in light-emitting diodes (LEDs).
light emitting polymer - Polymer LED (light-emitting diode) - sometimes called light-emitting polymer or polyLED - is a technology based on the use of polymer as the semiconductor material in LEDs.
light field - The light field is the totality of photons (light particles) traveling in all directions throughout all points in space in a given area.
light field camera - A light field camera (also called a plenoptic camera) is an imaging device that creates images that can be readjusted after the picture has been taken, for example, to alter the focus or the depth of field.
light field photography - Light-field photography (also known as plenoptic photography) is an imaging technology that makes it possible to adjust the focus in an existing picture.
light-emitting diode - OLED (organic light-emitting diode) is a display technology, pioneered and patented by Kodak, based on the use of organic polymer material as the semiconductor material in light-emitting diodes (LEDs).
light-emitting diode - A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
light-emitting diode (LED) - A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
light-emitting polymer - Polymer LED (light-emitting diode) - sometimes called light-emitting polymer or polyLED - is a technology based on the use of polymer as the semiconductor material in LEDs.
Lightning (Salesforce Lightning) - Lightning (Salesforce1 Lightning) is a component-based framework for app development from Salesforce.
lights on - In a line-item budget, lights on is a descriptor for expenditures that are absolutely necessary for maintaining a company's critical business operations.
lights out management - Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control.
lights-out management - Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control.
lights-out management (LOM) - Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control.
lightweight - In information technology, the term lightweight is sometimes applied to a program, protocol, device, or anything that is relatively simpler or faster or that has fewer parts than something else.
Lightweight Directory Access Protocol - LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate data such as organizations, individuals and other resources such as files and devices in a network -- whether on the public internet or on a corporate intranet.
Lightweight Directory Interchange Format - LDIF (Lightweight Directory Interchange Format) is an ASCII file format used to exchange data and enable the synchronization of that data between Lightweight Directory Access Protocol (LDAP) servers called Directory System Agents (DSAs).
Lightweight Extensible Authentication Protocol - LEAP (Lightweight Extensible Authentication Protocol) is a Cisco-proprietary version of EAP, the authentication protocol used in wireless networks and Point-to-Point connections.
lightweight thread - In computer programming, a thread is an instance of a sequence of code that is operating as a unit, typically on behalf of a single user, transaction, or message.
lightweight, middleweight, and heavyweight threads - In computer programming, a thread is an instance of a sequence of code that is operating as a unit, typically on behalf of a single user, transaction, or message.
likejacking - Likejacking is a variation on clickjacking in which malicious coding is associated with a Facebook Like button.
Likert scale - The Likert scale is a commonly used survey tool that requests a quantification of some variable from a range of responses.
LILO - LILO (LInux LOader) is a boot loader, also called a boot manager, which is a small program that facilitates a dual boot of a computer.
LILO (LInux LOader) - LILO (LInux LOader) is a boot loader, also called a boot manager, which is a small program that facilitates a dual boot of a computer.
limit - In mathematics, a limit is a value toward which an expression converges as one or more variables approach certain values.
limitation of liability clause - A limitation of liability clause is the section in a service-level agreement (SLA) that specifies the amounts and types of damages that each party will be obliged to provide to the other in particular circumstances.
limited combustible cable - Limited combustible cable (LCC), also called CMP-50 cable, is fire-resistant cable with insulation made of a synthetic material called fluorinated ethylene propylene (FEP).
limited combustible cable (LCC) - Limited combustible cable (LCC), also called CMP-50 cable, is fire-resistant cable with insulation made of a synthetic material called fluorinated ethylene propylene (FEP).
limited liability company (LLC) - A limited liability company (LLC) is a hybrid unincorporated business structure that combines the pass-through tax model of partnerships and sole proprietorships with the protection of individual assets provided by the C corporation.
Lindows - Linspire, formerly known as Lindows, is a low-cost commercial Linux-based operating system with a user interface similar to the latest Microsoft Windows operating system.
line card - A line card is: 1) A printed brochure that lists the names, descriptions and the manufacturers of products sold by a third party, like a distributor, sales representative or value-added reseller (VAR).
line graph - A point-to-point graph, also called a line graph, is a pictorial rendition of data in which specific values of a function are plotted as dots on a coordinate plane.
line information database - A line information database (LIDB) is a database maintained by the local telephone company that contains subscriber information, such as a service profile, name and address, and credit card validation information.
line of business - An LOB (line-of-business) application is one of the set of critical computer applications that are vital to running an enterprise, such as accounting, supply chain management, and resource planning applications.
line of sight (LOS) - The level of obstruction in a line of sight determines not only the visibility from one point to another but also the quality of signal reception for wireless transmissions, such as Wi-Fi.
line print terminal - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
line-of-business - An LOB (line-of-business) application is one of the set of critical computer applications that are vital to running an enterprise, such as accounting, supply chain management, and resource planning applications.
line-of-business application - An LOB (line-of-business) application is one of the set of critical computer applications that are vital to running an enterprise, such as accounting, supply chain management, and resource planning applications.
linear IC - A linear integrated circuit (linear IC) is a solid-state analog device characterized by a theoretically infinite number of possible operating states.
linear integrated circuit - A linear integrated circuit (linear IC) is a solid-state analog device characterized by a theoretically infinite number of possible operating states.
linear integrated circuit (linear IC) - A linear integrated circuit (linear IC) is a solid-state analog device characterized by a theoretically infinite number of possible operating states.
linear tape - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
Linear Tape Open - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
Linear Tape-Open - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
linearity - Linearity is the behavior of a circuit, particularly an amplifier, in which the output signal strength varies in direct proportion to the input signal strength.
linguistic ambiguity - Linguistic ambiguity is a quality of language that makes speech or written text open to multiple interpretations.
link - Using hypertext, a link is a selectable connection from one word, picture, or information object to another.
link balancer - A link load balancer, also called a link balancer, is a network appliance that distributes in-bound and out-bound traffic to and from multiple Internet Service Providers (ISPs) links.
link checker - A link checker is a program that tests and reports on the validity of the hypertext links on the pages in a Web site.
Link Control Protocol - In the Point-to-Point Protocol (PPP), the Link ControlProtocol (LCP) establishes, configures, and tests data-link Internet connections.
Link Control Protocol (LCP) - In the Point-to-Point Protocol (PPP), the Link ControlProtocol (LCP) establishes, configures, and tests data-link Internet connections.
link encryption - Link encryption (sometimes called link level or link layer encryption) is the data security process of encrypting information at the data link level as it is transmitted between two points within a network.
link encryption (link level or link layer encryption) - Link encryption (sometimes called link level or link layer encryption) is the data security process of encrypting information at the data link level as it is transmitted between two points within a network.
link farm - A link farm is a website (or a group of websites) created only for the purpose of increasing the link popularity of another site by increasing the number of incoming links.
link layer discovery protocol (LLDP) - The link layer discovery protocol (LLDP) is an open and extendable part of the Internet protocol suite used in IEEE 802 to advertise a device’s identity and abilities, as well as other devices connected within the same network.
link layer encryption - Link encryption (sometimes called link level or link layer encryption) is the data security process of encrypting information at the data link level as it is transmitted between two points within a network.
link level - Link encryption (sometimes called link level or link layer encryption) is the data security process of encrypting information at the data link level as it is transmitted between two points within a network.
link load balancer - A link load balancer, also called a link balancer, is a network appliance that distributes in-bound and out-bound traffic to and from multiple Internet Service Providers (ISPs) links.
Link Quality Source Routing - LQSR (Link Quality Source Routing) is a routing protocol for wireless mesh networks.
link spam - Link spam is the posting of out-of-context links on websites, discussion forums, blog comments, guestbooks or any other online venue that displays user comments.
link type - In Hyper-G and possibly other hypertext systems, a link type is the specification of the nature of the information object being linked to.
link-load balancer - A link load balancer, also called a link balancer, is a network appliance that distributes in-bound and out-bound traffic to and from multiple Internet Service Providers (ISPs) links.
link-load balancer (link balancer) - A link load balancer, also called a link balancer, is a network appliance that distributes in-bound and out-bound traffic to and from multiple Internet Service Providers (ISPs) links.
linkbaiting - Linkbaiting is the practice of crafting content that is designed to compel people who view it to link to it.
linked clones - Linked clones are copies of virtual machines that share virtual disks with the parent VM, which conserves space and allows multiple VMs to use the same software.
LinkedIn - LinkedIn is a social networking site for the business community.
LinkedIn Economic Graph - The LinkedIn Economic Graph is a digital map of the global economy that seeks to include every member of the global workforce and their skills, as well as all open jobs, all employers and all educational institutions.
LinkedIn Sales Navigator - LinkedIn Sales Navigator provides features for sales professionals to identify prospects, receive alerts on prospects' activities on LinkedIn and request introductions to prospects through shared connections.
Linkerd - Linkerd is an open-source network proxy developed by Buoyant to be installed as a service mesh.
linkrot - Linkrot is the tendency of hypertext links from one Web site to another site to become useless as other sites cease to exist or remove or reorganize their Web pages.
Linpack benchmark - The Linpack benchmark is a method of measuring the floating point rate of execution of a computer by running a program that solves a system of linear equations.
LINQ - LINQ (Language Integrated Query) is a Microsoft programming model and methodology that essentially adds formal query capabilities into Microsoft .
LINQ (Language Integrated Query) - LINQ (Language Integrated Query) is a Microsoft programming model and methodology that essentially adds formal query capabilities into Microsoft .
Linspire - Linspire, formerly known as Lindows, is a low-cost commercial Linux-based operating system with a user interface similar to the latest Microsoft Windows operating system.
Linspire (Lindows) - Linspire, formerly known as Lindows, is a low-cost commercial Linux-based operating system with a user interface similar to the latest Microsoft Windows operating system.
Linus Torvalds - Linus Torvalds, the creator of the Linux kernel, was born in Helsinki, Finland, on December 28, 1969.
Linux Apache MySQL PHP - LAMP is an open source Web development platform that uses Linux as the operating system, Apache as the Web server, MySQL as the relational database management system and PHP as the object-oriented scripting language.
Linux Cheat Sheets - We've gathered cheat sheets for fast reference to Linux-related information.
Linux Containers Project - Linux Containers is a project created to provide a distro- and vendor-neutral environment for the development of Linux container technologies.
Linux distributions with GUI install - Linux distributions with GUI install.
Linux distros (Linux distribution) - A Linux distribution -- often shortened to "Linux distro" -- is a version of the open source Linux operating system that is packaged with other components, such as an installation programs, management tools and additional software such as the KVM hypervisor.
Linux Foundation - The Linux Foundation is a consortium dedicated to fostering the growth of Linux, an open source alternative to the Unix operating system.
Linux freeware and shareware guide - Here you'll find a number of useful tools that can be used as is or customized to create your own tools.
Linux kernel panic - Linux kernel panic occurs when the operating system discovers a potentially fatal error that affects the Linux kernel.
LInux LOader - LILO (LInux LOader) is a boot loader, also called a boot manager, which is a small program that facilitates a dual boot of a computer.
Linux logo - Tux, the penguin, is the generally accepted official logo for the Linux operating system.
Linux lore: Quiz - A Linux quiz about Linux distributions and details.
Linux Mint - Linux Mint is a free and open source operating system (OS) distribution based on Ubuntu and Debian for use on x-86 x-64-compatible machines.
Linux operating system - Linux is a Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices.
Linux Quizzes - We've gathered a collection of our quizzes on Linux topics.
Linux Secure Boot - Linux Secure Boot is a feature in Windows 10 and Windows Server 2016 that allows some Linux distributions to boot under Hyper-V as Generation 2 virtual machines.
Linux Standard Base - The Linux Standard Base (LSB), also called the LSB project, is an ongoing effort to standardize the structure of Linux and related operating systems, with the intention of increasing compatibility among systems that use different versions (also known as distributions or flavors) of Unix.
Linux Standard Base (LSB) - The Linux Standard Base (LSB), also called the LSB project, is an ongoing effort to standardize the structure of Linux and related operating systems, with the intention of increasing compatibility among systems that use different versions (also known as distributions or flavors) of Unix.
Linux stream - A Linux stream is information traveling in a Linux shell from one process to another via a pipe, or from one file to another via a redirect.
Linux swappiness - Linux swappiness is the rate at which a Linux platform's kernel moves pages into and out of active memory.
Linux virtual machine (Linux VM) - A Linux virtual machine is a virtual machine (VM) that is running a distribution of Linux as the guest operating system (guest OS).
LinuxONE - LinuxONE is a mainframe series that runs on Linux created by IBM as a way of competing with cloud computing solutions.
liquid - A liquid is a sample of matter that conforms to the shape of a container in which it is held, and which acquires a defined surface in the presence of gravity.
liquid computing - Liquid computing is the capacity for data and applications to remain consistent and current across multiple devices so that the user could, for example, stop working on a document on a desktop before leaving the office and start from the same point on a tablet from another location.
liquid cooling - In computers, water cooling is a method used to lower the temperatures of computer processors, and sometimes other components such as graphics cards, using water rather than air as the cooling medium.
liquid cooling - Liquid cooling is the reduction of heat in electronic and mechanical devices through exploiting the properties of liquids.
liquid crystal display - LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation.
liquid immersion cooling - One of the simplest examples of liquid immersion cooling is taking a standard air-cooled computer's hardware and submerging it in mineral oil.
liquid logistics - Liquid logistics is a specialized material-handling and transportation discipline that is used when moving liquid products through a supply chain.
liquid-tight strain-relief connector - A liquid-tight strain-relief connector is a special electrical connector or jacket used in cabling for electronic and computer systems where water or contaminant intrusion is a concern.
liquidity event - Liquidity events are considered exit strategies in which owners and investors terminate some endeavor to cash in shares and other illiquid investments.
Liquidware - Liquidware is a company that provides monitoring and management software for physical, virtual and cloud desktop deployments.
Liquidware FlexApp - Liquidware FlexApp is an application layering technology that stores user or department-specific applications on virtual hard disks or virtual machine disk files and delivers them separately from users' Windows virtual desktops at login.
Liquidware ProfileUnity - Liquidware ProfileUnity is a centralized user environment management tool used to manage virtual or physical Windows desktops.
LISA - LISA (Local Integrated System Architecture) was Apple's first personal computer and GUI -based operating system.
LISP - LISP, an acronym for list processing, is a programming language that was designed for easy manipulation of data strings.
LISP (list processing) - LISP, an acronym for list processing, is a programming language that was designed for easy manipulation of data strings.
list price - The list price is the stated value for which something is offered for sale through a particular channel such as a showroom, a retail store, a catalog or a retail, wholesale or distributor website.
list processing - LISP, an acronym for list processing, is a programming language that was designed for easy manipulation of data strings.
list processing (language) - LISP, an acronym for list processing, is a programming language that was designed for easy manipulation of data strings.
list server - A list server (mailing list server) is a program that handles subscription requests for a mailing list and distributes new messages, newsletters, or other postings from the list's members to the entire list of subscribers as they occur or are scheduled.
list server (mailing list server) - A list server (mailing list server) is a program that handles subscription requests for a mailing list and distributes new messages, newsletters, or other postings from the list's members to the entire list of subscribers as they occur or are scheduled.
list washing - In the language of spam, list washing is the process of removing an e-mail address from a mailing list when the recipient either requests removal or complains to the sender's ISP (Internet service provider) that he is being spammed.
listener - An event sink, sometimes called a listener, is a piece of coding that specifies how a server or computer is to handle given events.
listicle - A listicle is an index whose point items are supplemented with additional related commentary.
listserv - Listserv, like Majordomo, is a small program that automatically redistributes e-mail to names on a mailing list.
listserv (mailing list server) - Listserv, like Majordomo, is a small program that automatically redistributes e-mail to names on a mailing list.
LiteOS - LiteOS is a lightweight, open source IoT device and smartphone OS from the Chinese smartphone manufacturer Huawei.
liteware - Liteware is a term for software that is distributed freely in a version having less capability than the full for-sale version.
Lithium Ion battery - A Lithium Ion (Li-Ion) battery is a rechargeable battery with twice the energy capacity of a Nickel-Cadmium battery and greater stability and safety.
Lithium Ion battery (Li-Ion) - A Lithium Ion (Li-Ion) battery is a rechargeable battery with twice the energy capacity of a Nickel-Cadmium battery and greater stability and safety.
lithium polymer battery (LiPo) - A lithium-polymer battery (LiPo) is a rechargeable battery that, in the case of true LiPo, uses solid polymer for the electrolyte and lithium for one of the electrodes.
litigation hold - Litigation hold is a stipulation requiring a company to preserve all data that may relate to a legal action involving the company.
litigation hold (preservation orders or hold orders) - Litigation hold is a stipulation requiring a company to preserve all data that may relate to a legal action involving the company.
little-endian - Endianness is a term that describes the order in which a sequence of bytes are stored in computer memory.
live cam - A cam, homecam, or Webcam is a video camera, usually attached directly to a computer, whose current or latest image is requestable from a Web site.
live capture - Live capture is the act or method of gathering biometric data from an individual while the individual is physically present.
live chat (live support) - Live chat (live support) provides the means to engage with users, as they’re actively visiting an organization’s owned media properties.
live migration - Live migration is the movement of a virtual machine from one physical host to another while continuously powered-up.
live USB (operating system on a stick) - Windows To Go is a feature of Windows 8 Enterprise edition that allows administrators to put a full blown copy of Windows 8 on an external USB 3.
LiveDistro - A LiveDistro is a distribution of an operating system on some bootable storage medium.
LiveJournal - LiveJournal is a social media platform that allows users to keep a blog, journal or diary and share their interests with LiveJournal friends or communities around the world.
LivePerson - LivePerson is a software as a service (SaaS) provider that develops customer engagement and conversational commerce applications and platforms.
living documentation - Living documentation is a dynamic method of system documentation that provides information that is current, accurate and easy to understand.
LLC - The Logical Link Control (LCL) layer is one of two sublayers of the Data-Link layer in the Open Systems Interconnection (OSI) model of communication.
lldpnetmap - Lldpnetmap is a troubleshooting command that displays to which physical switch an ESXi host is connected.
LMDS - LMDS (Local Multipoint Distribution System) is a system for broadband microwave wireless transmission direct from a local antenna to homes and businesses within a line-of-sight radius, a solution to the so-called last-mile technology problem of economically bringing high-bandwidth services to users.
LMGTFY (Let Me Google That For You) - LMGTFY (Let Me Google That For You) is a website that creates a demonstration of how to conduct a user-specified Google search.
LMS - A learning management system (LMS) is a software application or web-based technology used to plan, implement and assess a specific learning process.
LNP - Local Number Portability (LNP) is the ability of a telephone customer in the U.
load balance - Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.
load balancing - Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.
load bank - A load bank is a device that generates a prescribed amount of electricity draw to test the reliability of electrical switching, generator output, uninterruptable power supply (UPS) systems and cooling in a data center.
load coil - A loading coil is an induction device placed on a local loop longer than 18,000 feet that carries analog signals.
Load DynamiX - Load DynamiX is a storage performance testing appliance that can simulate production workloads and virtual desktop infrastructure workloads to determine how a system handles stress before putting that system into production.
load shedding - Load shedding is a reduction of power demand by a utility provider during peak or stressed times.
load testing - Load testing is the process of subjecting a computer, peripheral, server, network or application to a work level approaching the limits of its specifications.
load-sharing mirror - A load-sharing mirror or load-balancing mirror is a mirror image copy of a site or service that not only acts as a backup but actively shares in serving a portion of traffic.
loader - In a computer operating system, a loader is a component that locates a given program (which can be an application or, in some cases, part of the operating system itself) in offline storage (such as a hard disk), loads it into main storage (in a personal computer, it's called random access memory), and gives that program control of the computer (allows it to execute its instruction s).
loading - In a computer operating system, a loader is a component that locates a given program (which can be an application or, in some cases, part of the operating system itself) in offline storage (such as a hard disk), loads it into main storage (in a personal computer, it's called random access memory), and gives that program control of the computer (allows it to execute its instruction s).
loading coil - A loading coil is an induction device placed on a local loop longer than 18,000 feet that carries analog signals.
LOB - An LOB (line-of-business) application is one of the set of critical computer applications that are vital to running an enterprise, such as accounting, supply chain management, and resource planning applications.
LOB (line-of-business) - An LOB (line-of-business) application is one of the set of critical computer applications that are vital to running an enterprise, such as accounting, supply chain management, and resource planning applications.
local access and transport area - LATA (local access and transport area) is a term in the U.
local access and transport area (LATA) - LATA (local access and transport area) is a term in the U.
local area network - A local area network (LAN) is a group of computers and peripheral devices that share a common communications line or wireless link to a server within a distinct geographic area.
local area network (LAN) - A local area network (LAN) is a group of computers and peripheral devices that share a common communications line or wireless link to a server within a distinct geographic area.
local exchange carrier - LEC (local exchange carrier) is the term for a public telephone company in the U.
Local Group Policy Editor - Local Group Policy Editor is a user interface that allows all Local Group Policy objects and their settings to be managed in one place.
local loop - In telephony, a local loop is the wired connection from a telephone company's central office in a locality to its customers' telephones at homes and businesses.
Local Multipoint Distribution System - LMDS (Local Multipoint Distribution System) is a system for broadband microwave wireless transmission direct from a local antenna to homes and businesses within a line-of-sight radius, a solution to the so-called last-mile technology problem of economically bringing high-bandwidth services to users.
Local Number Portability - Local Number Portability (LNP) is the ability of a telephone customer in the U.
local wipe - Local wipe, also known as auto-wipe, is deletion of a device's data which is initiated by software on the device itself, rather than through remote administration.
localization - Localization (sometimes shortened to "L10n") is the process of adapting a product or service to a particular language, culture and desired local "look-and-feel.
localization - Localization (sometimes shortened to "L10n") is the process of adapting a product or service to a particular language, culture and desired local "look-and-feel.
location awareness - Location awareness is a component of presence technology that delivers information about a device's physical location to another user or application.
location based service - A location-based service (LBS) is a software application for a mobile device that requires knowledge about where the mobile device is located.
location intelligence (LI) - Location intelligence (LI) is a business analysis tool capability that enables companies to gather geographic- and location-related data to better understand global, regional and local business trends.
location poisoning - URL poisoning, also known as location poisoning, is a method of tracking Web user behavior by adding an identification (ID) number to the page address (Uniform Resource Locator) line of the Web browser when a user visits a particular site.
Location Routing Number - In the U.S.
location-based marketing (LBM) - Location-based marketing (LMS) is a direct marketing strategy that uses a mobile device's location to alert the device's owner about an offering from a near-by business.
location-based service - A location-based service (LBS) is a software application for a mobile device that requires knowledge about where the mobile device is located.
location-based service (LBS) - A location-based service (LBS) is a software application for a mobile device that requires knowledge about where the mobile device is located.
locked down device (LDD) - A locked down device (LDD) is a mobile device, typically a smartphone, that is shipped by a vendor with the ability to accept only the SIM card that originally came with it.
locking - A lock is a mechanism for controlling access to something.
locomotion - Locomotion is directional movement that enables someone or something to move from one location to another.
log - An access log is a list of all the requests for individual files that people have requested from a Web site.
log (log file) - A log, in a computing context, is the automatically produced and time-stamped documentation of events relevant to a particular system.
log analytics - Log analytics is the assessment of a recorded set of information from one or more events, captured from a computer, network, application operating system (OS) or other IT ecosystem component.
log management - Log management is the collective processes and policies used to administer and facilitate the generation, transmission, analysis, storage, archiving and ultimate disposal of the large volumes of log data created within an information system.
logarithm - A logarithm is an exponent used in mathematical calculations to depict the perceived levels of variable quantities such as visible light energy, electromagnetic field strength, and sound intensity.
logarithm (logarithmic) - A logarithm is an exponent used in mathematical calculations to depict the perceived levels of variable quantities such as visible light energy, electromagnetic field strength, and sound intensity.
logarithmic - A logarithm is an exponent used in mathematical calculations to depict the perceived levels of variable quantities such as visible light energy, electromagnetic field strength, and sound intensity.
Loggly - Loggly is a cloud-based enterprise log management and analytics tool.
logic analyzer - A logic analyzer (occasionally called a logical analyzer) is a laboratory test instrument designed to display and evaluate digital signals.
logic bomb - A logic bomb, sometimes referred to as slag code, is a string of malicious code used to cause harm to a network when the programmed conditions are met.
logic bomb - A logic bomb, sometimes referred to as slag code, is a string of malicious code used to cause harm to a network when the programmed conditions are met.
logic chip - A microprocessor is a computer processor on a microchip.
logic gate - A logic gate is an elementary building block of a digital circuit.
logic gate (AND, OR, XOR, NOT, NAND, NOR and XNOR) - A logic gate is an elementary building block of a digital circuit.
logic level - A logic level is one of several states that a digital signal can possess, expressed as a DC (direct-current) voltage with respect to electrical ground.
logic simulator - A logic simulator is a computer program that allows designers and experimenters to conduct virtual tests of complex digital systems before working with any hardware.
logical AND symbol - For a practical application, see logic gate.
logical block addressing - Logical block addressing is a technique that allows a computer to address a hard disk larger than 528 megabytes.
logical block addressing (LBA) - Logical block addressing is a technique that allows a computer to address a hard disk larger than 528 megabytes.
logical equivalence - Logical equivalence is a type of relationship between two statements or sentences in propositional logic or Boolean algebra.
logical implication - Logical implication is a type of relationship between two statements or sentences.
logical interface (LIF) - A logical interface (LIF) Is a software entity consisting of an IP address that is associated with a number of attributes such as a role, a home port, a firewall policy, a home node, a routing group and a list of ports for failover purposes.
logical LAN - A VLAN (virtual LAN) is a subnetwork which can group together collections of devices on separate physical local area networks (LANs).
Logical Link Control layer - The Logical Link Control (LCL) layer is one of two sublayers of the Data-Link layer in the Open Systems Interconnection (OSI) model of communication.
logical negation symbol - The logical negation symbol is used in Boolean algebra to indicate that the truth value of the statement that follows is reversed.
logical network - A logical network is one that appears to the user as a single, separate entity although it might in fact be either just a part of a larger network or an entity connecting multiple networks.
Logical Observation Identifiers Names and Codes - LOINC, the Logical Observation Identifiers Names and Codes, is a standard for identifying medical laboratory observations.
logical OR symbol - For a practical application, see logic gate.
logical partition - A logical partition (LPAR) is the division of a computer's processor s, memory, and storage into multiple sets of resources so that each set of resources can be operated independently with its own operating system instance and application s.
logical partition (LPAR) - A logical partition (LPAR) is the division of a computer's processor s, memory, and storage into multiple sets of resources so that each set of resources can be operated independently with its own operating system instance and application s.
logical router - A logical router is a configured partition of a traditional network hardware, or "physical," router.
logical unit - In IBM's Systems Network Architecture (SNA), a logical unit (LU) identifies an end user in an SNA network.
logical unit (LU) - In IBM's Systems Network Architecture (SNA), a logical unit (LU) identifies an end user in an SNA network.
logical unit number - A logical unit number (LUN) is a unique identifier for designating an individual or collection of physical or virtual storage devices that execute input/output (I/O) commands with a host computer, as defined by the Small System Computer Interface (SCSI) standard.
logical unit number (LUN) - A logical unit number (LUN) is a unique identifier for designating an individual or collection of physical or virtual storage devices that execute input/output (I/O) commands with a host computer, as defined by the Small System Computer Interface (SCSI) standard.
logical volume management (LVM) - Logical volume management (LVM), a form of storage virtualization, offers system administrators a more flexible approach to managing disk storage space than traditional partitioning.
login - In general computer usage, logon is the procedure used to get access to an operating system or application, usually in a remote computer.
Login VSI (Login Virtual Session Indexer) - Login VSI (Login Virtual Session Indexer) is a software company that specializes in products IT can use to monitor and test loads for server-based computing, VDI and desktop as a service.
logistic regression - Logistic regression is a statistical analysis method used to predict a data value based on prior observations of a data set.
logistics - Logistics is the process of planning and executing the efficient transportation and storage of goods from the point of origin to the point of consumption.
Logistics Execution System - The Logistics Execution System (LES), a major component of the supply chain management (SCM) application from SAP, allows an administrator to manage the information and processes involved in all stages of the supply chain, from procuring raw materials to distributing finished products.
Logistics Execution System (LES) - The Logistics Execution System (LES), a major component of the supply chain management (SCM) application from SAP, allows an administrator to manage the information and processes involved in all stages of the supply chain, from procuring raw materials to distributing finished products.
logistics management - Logistics management is the governance of supply chain management functions that helps organizations plan, manage and implement processes to move and store goods.
logo - A logo is a graphic image chosen to represent a company or organization and is uniquely designed for easy recognition.
logon - In general computer usage, logon is the procedure used to get access to an operating system or application, usually in a remote computer.
logon (or login) - In general computer usage, logon is the procedure used to get access to an operating system or application, usually in a remote computer.
Logwatch - Logwatch is a log analysis program that parses through system logs and generates periodic reports based on criteria specified by the user.
LOINC - LOINC, the Logical Observation Identifiers Names and Codes, is a standard for identifying medical laboratory observations.
LOINC (Logical Observation Identifiers Names and Codes) - LOINC, the Logical Observation Identifiers Names and Codes, is a standard for identifying medical laboratory observations.
LOL - This handy fast reference will help you quickly understand hundreds of Text, Twitter and Chat abbreviations and acronyms that are popularly used in text messages and social media.
LOM - Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control.
long distance carrier - A long-distance carrier is a telephone company that provides connections between local exchanges in different geographic areas.
long ICMP - On the Internet, ping of death is a denial of service (DoS) attack caused by an attacker deliberately sending an IP packet larger than the 65,536 bytes allowed by the IP protocol.
long tail - The long tail is a frequency distribution pattern in which occurences are most densely clustered close to the Y-axis and the distribution curve tapers along the X-axis.
Long Term Evolution - LTE (Long-Term Evolution) is a standard for 4G wireless technology that offers increased network capacity and speed for cellphones and other cellular devices compared with 3G.
long-distance carrier - A long-distance carrier is a telephone company that provides connections between local exchanges in different geographic areas.
long-haul optics - Long-haul optics refers to the transmission of visible light signals over optical fiber cable for great distances, especially without or with minimal use of repeaters.
long-tail keywords - Long-tail keywords, in the context of advertising and SEO, are detailed keyword phrases that a potential customer might use to search online when ready to purchase.
longest delay in queue - Longest delay in queue (LDQ) is the longest time period that a customer in a queue waits before either connecting with an agent or hanging up.
longest delay in queue (LDQ) - Longest delay in queue (LDQ) is the longest time period that a customer in a queue waits before either connecting with an agent or hanging up.
longevity testing - Load testing is the process of subjecting a computer, peripheral, server, network or application to a work level approaching the limits of its specifications.
longitude - Latitude and longitude are angles that uniquely define points on a sphere.
longitudinal study - A longitudinal study is an observational research method in which data is gathered for the same subjects repeatedly over a period of time.
longitudinal time code - Longitidinal time code (LTC) is a timing signal that is part of an audio tape recording.
longitudinal time code (LTC) - Longitidinal time code (LTC) is a timing signal that is part of an audio tape recording.
look to book - The look-to-book ratio is a figure used in the travel industry that shows the percentage of people who visit a travel Web site compared to those who actually make a purchase.
look-to-book ratio - The look-to-book ratio is a figure used in the travel industry that shows the percentage of people who visit a travel Web site compared to those who actually make a purchase.
Lookout Mobile Security - Lookout Mobile Security is an antimalware, data backup and remote management app for smartphones and tablets.
loop - In computer programming, a loop is a sequence of instructions that is continually repeated until a certain condition is reached.
loopback - In telephone systems, a loopback is a test signal sent to a network destination that is returned as received to the originator.
loopback test - A loopback test is a test in which a signal in sent from a communications device and returned (looped back) to it as a way to determine whether the device is working right or as a way to pin down a failing node in a network.
loose coupling - Loose coupling is a method of interconnecting the components in a system or network so that those components, also called elements, depend on each other to the least extent practicable.
loot box - In video games, a loot box is an in-game purchase consisting of a virtual container that awards players with items and modifications based on chance.
LoRa Alliance - The LoRa Alliance is an open, non-profit organization dedicated to promoting the interoperability and standardization of low-power wide area network (LPWAN) technologies to drive implementation of the Internet of Things (IoT).
lossless - Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
lossless and lossy compression - Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
lossless compression - Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
lossy - Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
lossy compression - Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
Lotus iNotes Web Access - iNotes (short for iNotes Web Access) allows Lotus Domino users to access their Domino-based mail, calendar, schedule, to-do lists, contact lists, and notebooks from any computer, at any location, as long as they have an Internet connection.
Lotus Notes - Notes is a sophisticated groupware application from the Lotus Corporation, a subsidiary of IBM.
Lotus Notes & Domino - iNotes (short for iNotes Web Access) allows Lotus Domino users to access their Domino-based mail, calendar, schedule, to-do lists, contact lists, and notebooks from any computer, at any location, as long as they have an Internet connection.
Lotus Workplace - Lotus Workplace is a set of customizable online work collaboration products from IBM's Lotus division.
LotusScript - LotusScript is a script language for use in a Lotus Notes client program or as a scheduled agent within a Domino server program.
low earth orbit (LEO) satellite - A low earth orbit (LEO) satellite is an object, generally an electronic piece of equipment, that circles around the earth at lower altitudes than geosynchronous satellites.
low-capacity snapshot - A storage snapshot is a set of reference markers for data at a particular point in time.
low-code and no-code development platforms - Low-code/no-code development platforms are types of visual software development environments that allow enterprise developers and citizen developers to drag and drop application components, connect them together and create mobile or web apps.
low-light imaging - Low-light imaging is a technology used to improve visibility in dimly lit environments.
lowerCamelCase - lowerCamelCase (part of CamelCase) is a naming convention in which a name is formed of multiple words that are joined together as a single word with the first letter of each of the multiple words (except the first one) capitalized within the new word that forms the name.
loyalty card program - A loyalty card program is an incentive plan that allows a retail business to gather data about its customers.
loyalty punch card - A loyalty punch card is a token that lets a customer earn free merchandise or discounts after a certain number of purchases.
LPAR - A logical partition (LPAR) is the division of a computer's processor s, memory, and storage into multiple sets of resources so that each set of resources can be operated independently with its own operating system instance and application s.
LPT - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
LPT (line print terminal) - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
LPT1 - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
LPT2 - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
LPT3 - LPT (line print terminal) is the usual designation for a parallel port connection to a printer or other device on a personal computer.
LPWAN (low-power wide area network) - Low-power WAN (LPWAN) is a wireless wide area network technology that interconnects low-bandwidth, battery-powered devices with low bit rates over long ranges.
LQSR - LQSR (Link Quality Source Routing) is a routing protocol for wireless mesh networks.
LRN - In the U.S.
LSB - The Linux Standard Base (LSB), also called the LSB project, is an ongoing effort to standardize the structure of Linux and related operating systems, with the intention of increasing compatibility among systems that use different versions (also known as distributions or flavors) of Unix.
LSB project - The Linux Standard Base (LSB), also called the LSB project, is an ongoing effort to standardize the structure of Linux and related operating systems, with the intention of increasing compatibility among systems that use different versions (also known as distributions or flavors) of Unix.
LTC - Longitidinal time code (LTC) is a timing signal that is part of an audio tape recording.
LTE - LTE (Long-Term Evolution) is a standard for 4G wireless technology that offers increased network capacity and speed for cellphones and other cellular devices compared with 3G.
LTE (Long-Term Evolution) - LTE (Long-Term Evolution) is a standard for 4G wireless technology that offers increased network capacity and speed for cellphones and other cellular devices compared with 3G.
LTE-Advanced (Long Term Evolution-Advanced) - Long Term Evolution-Advanced (LTE-Advanced) is a cellular networking standard that offers higher throughput than its predecessor, the Long Term Evolution (LTE) standard.
LTFS (Linear Tape File System) - LTFS (Linear Tape File System) is a file system specification that allows Linear Tape-Open (LTO) storage technology to be indexed.
LTO - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
LTO (Linear Tape-Open) tape - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
LTO-1 (Linear Tape-Open 1) - LTO-1 is the first tape format from the Linear Tape-Open Consortium.
LTO-10 (Linear Tape-Open 10) - LTO-10 is an unreleased tape format from the Linear Tape-Open Consortium.
LTO-2 (Linear Tape-Open 2) - LTO-2 is the second tape format from the Linear Tape-Open (LTO) Consortium.
LTO-3 (Linear Tape-Open 3) - LTO-3 is a tape format from the Linear Tape-Open Consortium first released in 2005 that has since been followed by LTO-4, LTO-5 and LTO-6.
LTO-4 (Linear Tape-Open 4) - LTO-4 is a tape format from the Linear Tape-Open Consortium that has been succeeded by LTO-5 and the current LTO-6 version.
LTO-5 - LTO-5 is a tape format released in 2010 by the Linear Tape-Open Consortium.
LTO-6 (Linear Tape-Open 6) - LTO-6 is the current tape format from the Linear Tape-Open Consortium first released in 2012 that will eventually be succeeded by LTO-7, LTO-8, LTO-9 and LTO-10.
LTO-7 (Linear Tape-Open 7) - LTO-7 is a tape format from the Linear Tape-Open (LTO) Consortium released in late 2015.
LTO-8 (Linear Tape-Open 8) - LTO-8 is a tape format from the Linear Tape-Open Consortium released in late 2017.
LTO-9 (Linear Tape-Open 9) - LTO-9 (Linear Tape-Open 9) is a future tape format from the Linear Tape-Open Consortium.
LU - In IBM's Systems Network Architecture (SNA), a logical unit (LU) identifies an end user in an SNA network.
LU 6.2 - APPC (Advanced Program-to-Program Communication, sometimes called LU 6.
luddism - A Luddite is a person who dislikes technology, especially technological devices that threaten existing jobs or interfere with personal privacy.
Luddite - A Luddite is a person who dislikes technology, especially technological devices that threaten existing jobs or interfere with personal privacy.
LUHN formula - The LUHN formula, also called modulus 10, is a simple algorithm used to validate the number on a credit card.
LUHN formula (modulus 10) - The LUHN formula, also called modulus 10, is a simple algorithm used to validate the number on a credit card.
lumen - The lumen (symbolized lm) is the International Unit of luminous flux.
luminous flux - Luminous flux is a quantitative expression of the brilliance of a source of visible light, which is electromagnetic energy within the wavelength range of approximately 390 nanometers (nm) to 770 nm.
luminous intensity - Luminous intensity is an expression of the amount of light power emanating from a point source within a solid angle of one steradian.
LUN - A logical unit number (LUN) is a unique identifier for designating an individual or collection of physical or virtual storage devices that execute input/output (I/O) commands with a host computer, as defined by the Small System Computer Interface (SCSI) standard.
LUN management - LUN management is the process of assigning, provisioning and overseeing logical unit numbers (LUNs) across a storage environment.
LUN masking - LUN masking is a further constraint added to zoning, subdividing access to the port so that only LUNs authorized to access a specific server can access the corresponding port.
LUN zoning - LUN zoning is a method of configuring SAN fabric to match logical unit numbers (LUNs) to the proper servers.
lurking - Lurking is the very common practice of reading an online or e-mail discussion without taking part in the discussion.
Lustre - Lustre is an open source parallel distributed file system (DFS) specialized for large-scale cluster computing.
lux - The lux (symbolized lx) is the unit of illuminance in the International System of Units (SI).
lux (lx) - The lux (symbolized lx) is the unit of illuminance in the International System of Units (SI).
lx - The lux (symbolized lx) is the unit of illuminance in the International System of Units (SI).
LXD (Linux container hypervisor) - LXD is an open source container management extension for Linux Containers (LXC).
Lynx - Lynx is a keyboard-oriented text-only Web browser that was developed at the University of Kansas primarily for students who used UNIX workstations.
LZW compression - LZW compression is the compression of a file into a smaller file using a table-based lookup algorithm invented by Abraham Lempel, Jacob Ziv, and Terry Welch.
