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- L carrierAnalog long-distance telephone multiplexing system
- L-diversityProcess for anonymizing data
- L2TPv3Layer 2 Tunneling Protocol version 3 is an IETF standard related to L2TP that can be used
- L3HarrisAmerican defense and electrical equipment manufacturer
- L4SIETF network protocol
- Labeled dataGroup of samples that have been tagged with one or more labels
- LACNICRegional Internet registry for Latin American and Caribbean regions
- Lagrangian relaxationMethod in mathematical optimization
- Laguerre's methodPolynomial root-finding algorithm
- Lake City, Nevada County, CaliforniaLake City is an unincorporated community in Nevada County, California. It lies at an eleva
- Lakha languageLakha (Tibetan: ལ་ཁ་, Wylie: la kha "language of the mountain pass", also called "Tshangkh
- LALR parserType of parser in computer science
- Lambda calculus definitionMathematical formalism
- Lambda liftingGlobalization meta-process
- Lambert MeertensLambert Guillaume Louis Théodore Meertens or L.G.L.T. Meertens (born 10 May 1944, in Amste
- LaminasLaminas Project (formerly Zend Framework or ZF) is an open source, object-oriented web app
- Lamport signatureCryptographic signature scheme
- Lamport timestampAlgorithm used to determine the order of events in a distributed computer system
- Lamport's bakery algorithmLogic for safely sharing computer resources
- Land mobile radio systemA land mobile radio system (LMRS) is a person-to-person voice communication system consist
- LandlineTelephone service provided via wire or cable
- Language barrierDifficulty in communication experienced by speakers of different languages or dialects
- Language bindingIn programming and software design, a binding is an application programming interface (API
- Language codeSymbol to identify a language, dialect or a group of languages
- Language Integrated QueryMicrosoft .NET Framework component
- Language technologyLanguage technology, often called human language technology (HLT), studies methods of how
- Languages used on the InternetSlightly over half of the homepages of the most visited websites on the World Wide Web are
- LaptopPersonal computer for mobile use
- Larry ConstantineSoftware engineer, novelist, therapist
- Larry Roberts (computer scientist)American electrical engineer and Internet pioneer
- Lars Rasmussen (software developer)Lars Eilstrup Rasmussen is a Danish computer scientist, technology executive, and the co-f
- Las Vegas algorithmType of randomized algorithm
- Laser diodeSemiconductor laser
- Laser printingElectrostatic digital printing process
- LaserDiscOptical analog video disc format
- Last mile (telecommunications)Last leg of telecommunications delivery
- Last-call returnFeature giving details of the last call
- Lastminute.comlastminute.com is an online travel and leisure retailer.
- Latency (engineering)Time delay between an input and a response
- Latent semantic analysisTechnique in natural language processing
- LaTeXTypesetting system based on TeX
- Lattice phase equaliserType of signal processing filter
- LavarandRandom number generator
- Lawful interceptionPermission for law enforcement to wiretap subscribers
- Lawrence M. BreedLawrence Moser "Larry" Breed (July 17, 1940 – May 16, 2021) was a computer scientist, arti
- Layer 2 Tunneling ProtocolIn computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to
- Lazarus GroupCybercrime organization
- Lazy evaluationSoftware optimization technique
- LCR meterElectronic test equipment that measures inductance, capacitance, and resistance
- Lead (electronics)Electrical connection consisting of a length of wire or a metal pad
- Lead generationInitiation of consumer interest into products
- Lead managementLead management is a set of methodologies, systems, and practices designed to generate new
- LeadingIn typography, leading ( LED-ing) is the space between adjacent lines of type; the exact d
- Lean software developmentUse of lean manufacturing principles in software development
- Learning to rankUse of machine learning to rank items
- Learning with errorsIn cryptography, learning with errors (LWE) is a mathematical problem that is widely used
- Leased linePrivate telecommunications circuit
- Lecture Notes in Computer ScienceLecture Notes in Computer Science is a series of computer science books published by Sprin
- LED-backlit LCDDisplay technology implementation
- Left recursionTheory of computer sciences
- Leftist treePriority queue implemented with a variant of a binary heap
- Legal aspects of file sharingFile sharing is a method that allows users to upload, download and exchange digital files
- Legal Entity IdentifierThe Legal Entity Identifier (LEI) is a unique global identifier for legal entities partici
- Legality of cryptocurrency by country or territoryThe legal status of cryptocurrencies varies substantially from one jurisdiction to another
- Legion of Doom (hacker group)American hacker group
- LeNetConvolutional neural network structure
- LennaStandard test image
- Lennart AugustssonLennart Augustsson is a Swedish computer scientist. He was formerly a lecturer at the Comp
- Leonidas J. GuibasGreek-American computer scientist
- Leslie Graves (nonprofit executive)Leslie Graves is the founder and president of Ballotpedia, a nonprofit online political en
- Leslie GreengardLeslie Frederick Greengard (born 1957) is an American mathematician, physicist and compute
- Level 3 CommunicationsLevel 3 Communications, Inc. was an American multinational telecommunications and Internet
- Level ancestor problemIn graph theory and theoretical computer science, the level ancestor problem is the proble
- LevelDBLevelDB is an open-source on-disk key-value store written by Google fellows Jeffrey Dean a
- Levels of identity securityThe security features governing the security of an identity can be divided into three leve
- Levenshtein automatonIn computer science, a Levenshtein automaton for a string w and a number n is a finite-sta
- Levenshtein distanceString metric for measuring edit distance
- Leveson InquiryThe Leveson Inquiry was a judicial public inquiry into the culture, practices, and ethics
- Lexical analysisConversion of character sequences into token sequences in computer science
- Lexicographic breadth-first searchPartition-based graph traversal method
- Lexington, MassachusettsTown in Middlesex County, Massachusetts, United States
- Leyden jarAntique electrical device that stores a high-voltage electric charge
- LFE (programming language)Lisp Flavored Erlang (LFE) is a functional, concurrent, garbage collected, general-purpose
- LG enV (VX9900)The LG enV (pronounced "envy"), also known as the VX9900, is a Bluetooth-enabled and V CAS
- LG G FlexAndroid phablet
- LG G Flex 22015 Android phablet by LG Electronics
- LG G Pro 2The LG G Pro 2 is an Android phablet smartphone produced by LG Electronics. Serving as a s
- LG G3Android smartphone developed by LG Electronics
- LG G4Android smartphone developed by LG Electronics
- LG G6Android smartphone developed by LG Electronics
- LG V seriesAndroid-based smartphone
- LG V10Android smartphone manufactured by LG Electronics
- LG V30Android-based smartphone
- LG VoyagerSmartphone
- LGA 3647LGA 3647 is an Intel microprocessor compatible socket used by Xeon Phi x200 ("Knights Land
- Libarchivelibarchive is a free and open-source library for reading and writing various archive and c
- Libfixmathlibfixmath is a platform-independent fixed-point math library aimed at developers wanting
- LibgcryptLibgcrypt is a cryptography library developed as a separated module of GnuPG. It can also
- Library (computing)Collection of resources used to develop a computer program
- Library and information scienceBranch of academic disciplines
- Library catalogRegister of bibliographic items
- Library classificationSystems of coding and organizing documents or library materials
- Library Freedom ProjectLibrary Freedom Project is an American nonprofit organization whose stated mission "is rad
- LibreLogoVector graphics language
- LibreOfficeFree and open-source productivity software suite
- LibreOffice BaseOpen-source database application
- LibreOffice CalcLibreOffice Calc is the spreadsheet component of the LibreOffice software package.
- LibreOffice WriterOpen-source word processor
- LibreSSLImplementation of TLS protocols
- Libxsltlibxslt is the XSLT C library developed for the GNOME project. It provides an implementati
- Licence launderingCopying a work, replacing its licence and redistributing it
- Light-emitting electrochemical cellA light-emitting electrochemical cell (LEC or LEEC) is a solid-state device that generates
- Lighthill report1973 article on artificial intelligence research
- Lightweight Directory Access ProtocolNetwork protocol supporting distributed directory information services
- Like buttonCommunication software feature used to express support
- Lin Yi-bingTaiwanese computer scientist (born 1961)
- Lin–Kernighan heuristicIn combinatorial optimization, Lin–Kernighan is one of the best heuristics for solving the
- Line codePattern used within a communications system to represent digital data
- Line drawing algorithmIn computer graphics, a line drawing algorithm is an algorithm for approximating a line se
- Line Mode BrowserCommand-line web browser
- Line searchIn optimization, line search is a basic iterative approach to find a local minimum of an o
- Line-of-sight propagationCharacteristic of electromagnetic radiation
- LineageOSFree and open-source Android-based operating system
- Linear codeClass of error-correcting code
- Linear congruential generatorAlgorithm for generating pseudo-randomized numbers
- Linear cryptanalysisIn cryptography, linear cryptanalysis is a general form of cryptanalysis based on finding
- Linear predictive codingSpeech analysis and encoding technique
- Linear programming relaxationConcept in integral mathematics
- Linear searchSequentially looking in an array
- Linear Tape-OpenMagnetic tape data storage technology
- LinearizabilityProperty of some operation(s) in concurrent programming
- LineworkerSkilled worker
- Ling adderIn electronics, a Ling adder is a particularly fast binary adder designed using H. Ling's
- Link aggregationUsing multiple network connections in parallel to increase capacity and reliability
- Link layerLowest abstraction layer in the Internet protocol suite
- Linked dataStructured data and method for its publication
- Linked data structureWay of storing data in a computer
- Linker (computing)Program that combines intermediate build files into an executable file
- LinkExchangeInternet advertising cooperative
- Linksys WRT54G seriesThe Linksys WRT54G Wi-Fi series is a series of Wi-Fi–capable residential gateways marketed
- Linter SQL RDBMSRussian proprietary database system
- Linux distributionOperating system based on the Linux kernel
- Linux kernelFree Unix-like operating system kernel
- Linux MintUbuntu or Debian-based Linux distribution
- Liskov substitution principleObject-oriented programming principle
- Lisp (programming language)Programming language family
- Lisp machineComputer specialized in running Lisp
- Lisp Machine LispLisp Machine Lisp is a programming language, a dialect of the language Lisp. A direct desc
- Lisp MachinesLisp Machines, Inc. was a company formed in 1979 by Richard Greenblatt of MIT's Artificial
- Literal (mathematical logic)In mathematical logic, a literal is an atomic formula (also known as an atom or prime form
- Literate programmingApproach to software development
- LithographyPrinting technique
- Live CDComplete, bootable computer installation that runs directly from a CD-ROM
- Live event supportLive event support includes staging, scenery, mechanicals, sound, lighting, video, special
- Live Music ArchiveMusic collection hosted by Internet Archive
- Live sound mixingLive sound mixing is the blending of multiple sound sources by an audio engineer using a m
- Live streamingLive broadcasting via the Internet
- Live televisionType of broadcast medium
- Living documentDocument that is continuously updated
- LivingSocialLivingSocial is an online marketplace that allows its registered users to buy and share th
- LL grammarType of a context-free grammar
- LL parserTop-down parser that parses input from left to right
- Lloyd's algorithmAlgorithm used for points in euclidean space
- LLVMCompiler backend for multiple programming languages
- Loader (computing)Part of an operating system
- Local area networkComputer network that connects devices over a limited area
- Local search (constraint satisfaction)In constraint satisfaction, local search is an incomplete method for finding a solution to
- Local search (optimization)Method for problem solving in optimization
- Local shared objectAdobe Flash data stored on a user's computer
- LocalhostStandard hostname for a networked device's loopback interface
- Locality of referenceTendency of a processor to access nearby memory locations in space or time
- LocalTalkLocalTalk is a particular implementation of the physical layer of the AppleTalk networking
- Location awarenessLocation awareness refers to devices that can determine their location. Navigational instr
- Location-based advertisingLocation-based advertising (LBA) is a form of advertising that integrates mobile advertisi
- Location-based serviceSoftware services that use location data
- Lock (computer science)Synchronization mechanism for enforcing limits on access to a resource
- Log-structured merge-treeData structure
- Logarithmic number systemComputer representation of real numbers
- Logic bombIntentional delayed sabotage of a computer program with activation subject to conditions
- Logic gateDevice performing a Boolean function
- Logic in computer scienceAcademic discipline
- Logic programmingProgramming paradigm based on formal logic
- Logical block addressingLogical block addressing (LBA) is a common scheme used for specifying the location of bloc
- Logical diskA logical disk, logical volume or virtual disk (VD or vdisk for short) is a virtual device
- Logical schemaRepresentation of an organization's data
- Logical volume managementIn computer storage, logical volume management or LVM provides a method of allocating spac
- LoginProcess by which an individual gains access to a computer system
- Logitech Unifying receiverUSB wireless receiver
- Logjam (computer security)Security vulnerability in Diffie–Hellman key exchange
- Logo (programming language)Computer programming language
- LOLCODEEsoteric programming language
- Long modeIn the x86-64 computer architecture, long mode is the mode where a 64-bit operating system
- Long-haul communicationsIn telecommunications, the term long-haul communications has the following meanings:
- Long-term supportSoftware version that is stable and supported under a long-term or extended contract
- Longest common subsequenceAlgorithmic problem on pairs of sequences
- Longest common substringComputer science problem
- Longest increasing subsequenceComputer science problem
- Loop (statement)Control flow construct for executing code repeatedly
- Loop nest optimizationIn computer science and particularly in compiler design, loop nest optimization (LNO) is a
- Loop optimizationIncreasing execution speed and reducing the overheads associated with loops
- Loose couplingSystem with weakly-associated components
- Lorenz cipherCipher machines used by the German Army during World War II
- Lossless compressionData compression approach allowing perfect reconstruction of the original data
- Lossy compressionType of data compression
- Loudspeaker enclosureAcoustical component
- Low frequency30–300 kHz range of the electromagnetic spectrum
- Low-key lightingStage lighting style
- Low-level programming languageProgramming language close to hardware
- Low-pass filterType of signal filter
- Low-power broadcastingRadio or TV service, 100W or less
- Low-power wide-area networkType of wireless telecommunication network
- LPDDRType of computer memory
- LR parserType of parser in computer science
- LsIn computing, ls is a command to list computer files and directories in Unix and Unix-like
- LTE (telecommunication)Mobile broadband communication standard
- LTE Advanced4G mobile communication standard
- LTE frequency bandsFrequency bands used by Long Term Evolution networks
- LuaLightweight programming language
- LuaJITJust-in-time compiler for the Lua programming language
- LuceeLucee is an open source implementation of a lightweight dynamically-typed scripting langua
- Lucifer (cipher)In cryptography, Lucifer was the name given to several of the earliest civilian block ciph
- LulzSecHacker group
- Lustre (programming language)Programming language
- Lustre (treaty)Lustre is the codename of a secret treaty signed by France and the Five Eyes (FVEY) for co
- Lynnfield (microprocessor)CPU made by Intel
- Lynx (web browser)Text-based, cross-platform web browser
- LZ77 and LZ78Lossless data compression algorithms