List of computing and IT abbreviations

Computing and IT Acronyms and AbbreviationsA"AAA—Authentication Authorization, Accounting"AABB—Axis Aligned Bounding BoxAAC—Advanced Audio CodingAAL—ATM Adaptation LayerAALC—ATM Adaptation Layer ConnectionAARP—AppleTalk Address Resolution ProtocolABAC—Attribute-Based Access ControlABCL—Actor-Based Concurrent LanguageABI—Application Binary InterfaceABM—Asynchronous Balanced ModeABR—Area Border RouterABR—Auto Baud-Rate detectionABR—Available BitrateABR—Average BitrateAC—Acoustic CouplerAC—Alternating CurrentACD—Automatic Call DistributorACE—Advanced Computing EnvironmentACID—Atomicity Consistency Isolation DurabilityACK—ACKnowledgementACK—Amsterdam Compiler KitACL—Access Control ListACL—Active Current LoopACM—Association for Computing MachineryACME—Automated Classification of Medical EntitiesACP—Airline Control ProgramACPI—Advanced Configuration and Power InterfaceACR—Allowed Cell RateACR—Attenuation to Crosstalk RatioAD—Active DirectoryAD—Administrative DomainADC—Analog-to-Digital ConverterADC—Apple Display ConnectorADB—Apple Desktop BusADCCP—Advanced Data Communications Control ProceduresADO—ActiveX Data ObjectsADSL—Asymmetric Digital Subscriber LineADT—Abstract Data TypeAE—Adaptive EqualizerAES—Advanced Encryption StandardAF—Anisotropic FilteringAFP—Apple Filing ProtocolAGP—Accelerated Graphics PortAH—Active HubAI—Artificial IntelligenceAIX—Advanced Interactive eXecutiveAjax—Asynchronous JavaScript and XMLAL—Active LinkAL—Access ListALAC—Apple Lossless Audio CodecALGOL—Algorithmic LanguageALSA—Advanced Linux Sound ArchitectureALU—Arithmetic and Logical UnitAM—Access MethodAM—Active MatrixAMOLED—Active-Matrix Organic Light-Emitting DiodeAM—Active MonitorAM—Allied MastercomputerAM—Amplitude ModulationAMD—Advanced Micro DevicesAMQP—Advanced Message Queuing ProtocolAMR—Audio Modem RiserANN—Artificial Neural NetworkANSI—American National Standards InstituteANT—Another Neat ToolAoE—ATA over EthernetAOP—Aspect-Oriented ProgrammingAPCI—Application-Layer Protocol Control InformationAPI—Application Programming InterfaceAPIC—Advanced Programmable Interrupt ControllerAPIPA—Automatic Private IP AddressingAPL—A Programming LanguageAPR—Apache Portable RuntimeARC—Adaptive Replacement CacheARC—Advanced RISC ComputingARIN—American Registry for Internet NumbersARM—Advanced RISC MachinesAROS—AROS Research Operating SystemARP—Address Resolution ProtocolARPA—Address and Routing Parameter AreaARPA—Advanced Research Projects AgencyARPANET—Advanced Research Projects Agency NetworkAS—Access ServerASCII—American Standard Code for Information InterchangeAuthIP—Authenticated Internet ProtocolASET—Automated Security Enhancement ToolASG—Abstract Semantic GraphASIC—Application-Specific Integrated CircuitASIMO—Advanced Step in Innovative MobilityASLR—Address Space Layout RandomizationASM—Algorithmic State MachineASMP—Asymmetric MultiprocessingASN.1—Abstract Syntax Notation 1ASP—Active Server PagesASP—Application Service ProviderASR—Asynchronous Signal RoutineAST—Abstract Syntax TreeAT—Advanced TechnologyAT—Access TimeAT—Active TerminatorATA—Advanced Technology AttachmentATAG—Authoring Tool Accessibility GuidelinesATAPI—Advanced Technology Attachment Packet InterfaceATM—Asynchronous Transfer ModeAuthN—AuthenticationAuthZ—AuthorizationAV—AntivirusAVC—Advanced Video CodingAVI—Audio Video InterleavedAWK—Aho Weinberger KernighanAWS—Amazon Web ServicesAWT—Abstract Window ToolkitAWFL—Acronym With Four LettersBB2B—Business-to-BusinessB2C—Business-to-ConsumerB2E—Business-to-EmployeeBAL—Basic Assembly LanguageBAM—Block Availability MapBash—Bourne-again shellBASIC—Beginner's All-Purpose Symbolic Instruction CodeBBP—Baseband ProcessorBBS—Bulletin Board SystemBC—Business ContinuityBCD—Binary Coded DecimalBCD—Boot Configuration DataBCNF—Boyce–Codd normal formBCP—Business Continuity PlanningBEEP—Blocks Extensible Exchange ProtocolBER—Bit Error RateBFD—Bidirectional Forwarding DetectionBFD—Binary File DescriptorBFS—Breadth-First SearchBFT—Byzantine Fault TolerantBGP—Border Gateway ProtocolBI—Business IntelligenceBiDi—Bi-Directionalbin—binaryBINAC—Binary Automatic ComputerBIND—Berkeley Internet Name DomainBIOS—Basic Input Output SystemBJT—Bipolar Junction Transistorbit—binary digitBlob—Binary large objectBlog—Web LogBMP—Basic Multilingual PlaneBNC—Baby Neill ConstantBOINC—Berkeley Open Infrastructure for Network ComputingBOM—Byte Order MarkBOOTP—Bootstrap ProtocolBPDU—Bridge Protocol Data UnitBPEL—Business Process Execution LanguageBPL—Broadband over Power LinesBPM—Business Process ManagementBPM—Business Process Modelingbps—bits per secondBRM—Business Reference ModelBRMS—Business Rule Management SystemBRR—Business Readiness RatingBRS—Broadband Radio ServiceBSA—Business Software AllianceBSB—Backside BusBSD—Berkeley Software DistributionBSoD—Blue Screen of DeathBSS—Block Started by SymbolBT—BitTorrentBT—BluetoothB TAM—Basic Telecommunications Access MethodBW—BandwidthBYOD—Bring Your Own DeviceByte—By eight (group of 8 bits)CCA—Computer AccountancyCAD—Computer-Aided DesignCAE—Computer-Aided EngineeringCAID—Computer-Aided Industrial DesignCAI—Computer-Aided InstructionCAM—Computer-Aided ManufacturingCAP—Consistency Availability Partition tolerance (theorem)CAPTCHA—Completely Automated Public Turing Test to tell Computers and Humans ApartCAT—Computer-Aided TranslationCAQ—Computer-Aided Quality AssuranceCASE—Computer-Aided Software Engineeringcc—C CompilerCD—Compact DiscCDE—Common Desktop EnvironmentCDFS—Compact Disk File SystemCDMA—Code Division Multiple AccessCDN—Content Delivery NetworkCDP—Cisco Discovery ProtocolCDP—Continuous Data ProtectionCD-R—CD-RecordableCD-ROM—CD Read-Only MemoryCD-RW—CD-RewritableCDSA—Common Data Security ArchitectureCERT—Computer Emergency Response TeamCES—Consumer Electronics ShowCF—Compact FlashCFD—Computational Fluid DynamicsCFG—Context-Free GrammarCFG—Control Flow GraphCG—Computer GraphicsCGA—Color Graphics ArrayCGI—Common Gateway InterfaceCGI—Computer-Generated ImageryCGT—Computational Graph TheoryCHAP—Challenge-Handshake Authentication ProtocolCHS—Cylinder-Head-SectorCIDR—Classless Inter-Domain RoutingCIFS—Common Internet FilesystemCIM—Common Information ModelCIM—Computationally Independent ModelCIO—Chief Information OfficerCIR—Committed information rateCISC—Complex Instruction Set Computer"CJK—Chinese, Japanese, and Korean""CJKV—Chinese, Japanese, Korean, and Vietnamese"CLI—Command Line InterfaceCLR—Common Language RuntimeCM—Configuration ManagementCM—Content ManagementCMDB—Configuration Management DatabaseCMMI—Capability Maturity Model IntegrationCMOS—Complementary Metal-Oxide SemiconductorCMO—Current Mode of OperationCMS—Content Management SystemCN—Canonical NameCN—Common NameCNC—Computer Numerical ControlCNG—Cryptographic Next GenerationCNG—Cryptography Next GenerationCNR—Communications and Networking RiserCOBOL—Common Business-Oriented LanguageCOM—Component Object Model or communicationCORBA—Common Object Request Broker ArchitectureCORS—Cross-Origin Resource SharingCOTS—Commercial Off-The-ShelfCPA—Cell Processor ArchitectureCPAN—Comprehensive Perl Archive NetworkCP/M—Control Program/MonitorCPRI—Common Public Radio InterfaceCPS—characters per secondCPU—Central Processing UnitCQRS—Command–query separationCR—Carriage ReturnCRAN—Comprehensive R Archive NetworkCRC—Cyclic Redundancy CheckCRLF—Carriage Return Line FeedsCRM—Customer Relationship ManagementCRS—Computer Reservations SystemCRT—Cathode Ray Tube"CRUD—Create, Read, Update and Delete"CS—Cable SelectCS—Computer ScienceCSE—Computer Science and EngineeringCSI—Common System InterfaceCSM—Compatibility Support ModuleCSMA/CD—Carrier sense multiple access with collision detectionCSP—Cloud Service ProviderCSP—Communicating Sequential ProcessesCSRF—Cross-Site Request ForgeryCSS—Cascading Style SheetsCSS—Content-Scrambling SystemCSS—Closed Source SoftwareCSS—Cross-Site ScriptingCSV—Comma-Separated ValuesCT—Computerized TomographyCTAN—Comprehensive TeX Archive NetworkCTCP—Client-To-Client ProtocolCTI—Computer Telephony IntegrationCTFE—Compile Time Function ExecutionCTL—Computational Tree LogicCTM—Close To MetalCTS—Clear To SendCTSS—Compatible Time-Sharing SystemCUA—Common User AccessCVS—Concurrent Versioning SystemCX—Customer ExperienceDDAC—Digital-To-Analog ConverterDAC—Discretionary Access ControlDAL—Database Abstraction LayerDAO—Data Access ObjectDAO—Data Access ObjectsDAO—Disk-At-OnceDAP—Directory Access ProtocolDAR—Direct Access RecoveryDARPA—Defense Advanced Research Projects AgencyDAS—Direct Attached StorageDAT—Digital Audio TapeDB—DatabaseDSKT—DesktopDBA—Database AdministratorDBCS—Double Byte Character SetDBMS—Database Management SystemDCC—Direct Client-to-ClientDCCP—Datagram Congestion Control ProtocolDCCA—Debian Common Core AllianceDCL—Data Control LanguageDCS—Distributed Control SystemDCMI—Dublin Core Metadata InitiativeDCOM—Distributed Component Object ModelDD—Double DensityDDE—Dynamic Data ExchangeDDI—DNS DHCP & IP Address managementDDL—Data Definition LanguageDDoS—Distributed Denial of ServiceDDR—Double Data RateDEC—Digital Equipment CorporationDES—Data Encryption Standarddev—developmentDFA—Deterministic Finite AutomatonDFD—Data Flow DiagramDFS—Depth-First SearchDFS—Distributed File SystemDGD—Dworkin's Game DriverDHCP—Dynamic Host Configuration ProtocolDHTML—Dynamic Hypertext Markup LanguageDIF—Data Integrity FieldDIMM—Dual Inline Memory ModuleDIN—Deutsches Institut fr NormungDIP—Dual In-line PackageDISM—Deployment Image and Service Management ToolDIVX—Digital Video ExpressDKIM—Domain Keys Identified MailDL—DownloadDLL—Dynamic Link LibraryDLNA—Digital Living Network AllianceDLP—Data loss protectionDMA—Direct Memory AccessDMCA—Digital Millennium Copyright ActDMI—Direct Media InterfaceDML—Data Manipulation LanguageDML—Definitive Media LibraryDMR—Dennis M. RitchieDMZ—Demilitarized ZoneDN—Distinguished NameDND—Drag-and-DropDNS—Domain Name SystemDOA—Dead on ArrivalDOCSIS—Data Over Cable Service Interface SpecificationDOM—Document Object ModelDoS—Denial of ServiceDOS—Disk Operating SystemDP—Dot PitchDPC—Deferred Procedure CallDPI—Deep Packet InspectionDPI—Dots Per InchDPMI—DOS Protected Mode InterfaceDPMS—Display Power Management SignalingDR—Disaster RecoveryDRAM—Dynamic Random-Access MemoryDR-DOS—Digital Research - Disk Operating SystemDRI—Direct Rendering InfrastructureDRM—Digital Rights ManagementDRM—Direct Rendering ManagerDSA—Digital Signature AlgorithmDSDL—Document Schema Definition LanguagesDSDM—Dynamic Systems Development MethodDSL—Digital Subscriber LineDSL—Domain-Specific LanguageDSLAM—Digital Subscriber Line Access MultiplexerDSN—Database Source NameDSN—Data Set NameDSP—Digital Signal ProcessorDSSSL—Document Style Semantics and Specification LanguageDTD—Document Type DefinitionDTE—Data Terminal Equipment or data transfer rateDTP—Desktop PublishingDTR—Data Terminal Ready or Data transfer rateDVD—Digital Versatile DiscDVD-R—DVD-RecordableDVD-ROM—DVD-Read Only MemoryDVD-RW—DVD-RewritableDVI—Digital Visual InterfaceDVR—Digital Video RecorderDW—Data WarehouseEEAI—Enterprise Application IntegrationEAP—Extensible Authentication ProtocolEAS—Exchange ActiveSyncEBCDIC—Extended Binary Coded Decimal Interchange CodeEBML—Extensible Binary Meta LanguageECC—Elliptic Curve CryptographyECMA—European Computer Manufacturers AssociationECN—Explicit Congestion NotificationECOS—Embedded Configurable Operating SystemECRS—Expense and Cost Recovery SystemEDA—Electronic Design AutomationEDGE— Enhanced Data rates for GSM EvolutionEDI—Electronic Data InterchangeEDO—Extended Data OutEDSAC—Electronic Delay Storage Automatic CalculatorEDVAC—Electronic Discrete Variable Automatic ComputerEEPROM—Electronically Erasable Programmable Read-Only MemoryEFF—Electronic Frontier FoundationEFI—Extensible Firmware InterfaceEFM—Eight-to-Fourteen ModulationEFM—Ethernet in the First MileEFS—Encrypting File SystemEGA—Enhanced Graphics ArrayE-mail—Electronic mailEGP—Exterior Gateway ProtocoleID—electronic ID cardEIDE—Enhanced IDEEIGRP—Enhanced Interior Gateway Routing ProtocolEISA—Extended Industry Standard ArchitectureELF—Extremely Low FrequencyELF—Executable and Linkable FormatELM—ELectronic MailEMACS—Editor MACroSEMS—Expanded Memory SpecificationENIAC—Electronic Numerical Integrator And ComputerEOD—End of DayEOF—End of FileEOL—End of LineEOM—End Of MessageEOS—End Of SupportEPIC—Explicitly Parallel Instruction ComputingEPROM—Erasable Programmable Read-Only MemoryERD—Entity-Relationship DiagramERM—Entity-Relationship ModelERP—Enterprise Resource PlanningeSATA—external SATAESB—Enterprise service busESCON—Enterprise Systems ConnectionESD—Electrostatic DischargeESI—Electronically Stored InformationESR—Eric Steven Raymond"ETL—Extract, Transform, Load"ETW—Event Tracing for WindowsEUC—Extended Unix CodeEULA—End User License AgreementEWM—Enterprise Work ManagementEWMH—Extended Window Manager HintsEXT—EXTended file systemETA—Estimated Time of ArrivalFFAP—FORTRAN Assembly ProgramFASM—Flat ASseMblerFAT—File Allocation TableFAQ—Frequently Asked QuestionsFBDIMM—Fully Buffered Dual Inline Memory ModuleFC-AL—Fibre Channel Arbitrated LoopFCB—File Control BlockFCS—Frame Check SequenceFDC—Floppy Disk ControllerFDS—Fedora Directory ServerFDD—Frequency-Division DuplexingFDD—Floppy Disk DriveFDDI—Fiber Distributed Data InterfaceFDM—Frequency-Division MultiplexingFDMA—Frequency-Division Multiple AccessFEC—Forward Error CorrectionFEMB—Front-End MotherboardFET—Field Effect TransistorFHS—Filesystem Hierarchy StandardFICON—FIber CONnectivityFIFO—First In First OutFIPS—Federal Information Processing StandardsFL—Function LevelFLAC—Free Lossless Audio CodecFLOPS—FLoating-Point Operations Per SecondFLOSS—Free/Libre/Open Source Software"FMC— Fixed Mobile Convergence ""Mobile UC or Unified Communications over Wireless"""FMO—Future Mode of OperationFOLDOC—Free On-line Dictionary of ComputingFOSDEM—Free and Open source Software Developers' European MeetingFOSI—Formatted Output Specification InstanceFOSS—Free and Open Source SoftwareFP—Function ProgrammingFPGA—Field Programmable Gate ArrayFPS—Floating Point SystemsFPU—Floating Point UnitFRU—Field Replaceable UnitFS—File SystemFSB—Front Side Busfsck—File System CheckFSF—Free Software FoundationFSM—Finite State MachineFTTA—Fiber To The AntennaFTTC—Fiber To The CurbFTTH—Fiber To The HomeFTTP—Fiber To The PremisesFTP—File Transfer ProtocolFQDN—Fully Qualified Domain NameFUD—Fear Uncertainty DoubtFWS—Folding White SpaceFXP—File eXchange ProtocolFYI—For Your InformationFVEK—Full Volume Encryption KeyGG11N—GlobalizationGas—GNU AssemblerGb—GigabitGB—GigabyteGCC—GNU Compiler CollectionGCJ—GNU Compiler for JavaGCP—Google Cloud PlatformGCR—Group Coded RecordingGDB—GNU DebuggerGDI—Graphics Device InterfaceGFDL—GNU Free Documentation LicenseGIF—Graphics Interchange Format"GIGO—Garbage In, Garbage Out"GIMP—GNU Image Manipulation ProgramGIMPS—Great Internet Mersenne Prime SearchGIS—Geographic Information SystemGLUT—OpenGL Utility ToolkitGML—Geography Markup LanguageGNOME—GNU Network Object Model EnvironmentGNU—GNU's Not Unix"GOMS—Goals, Operators, Methods, and Selection rules"GPASM—GNU PIC ASseMblerGPFS—General Parallel File SystemGPG—GNU Privacy GuardGPGPU—General-Purpose Computing on Graphics Processing UnitsGPIB—General-Purpose Instrumentation BusGPL—General Public LicenseGPL—General-Purpose LanguageGPRS—General Packet Radio ServiceGPT—GUID Partition TableGPU—Graphics Processing UnitGRUB—Grand Unified Boot-LoaderGERAN—GSM EDGE Radio Access NetworkGSM—Global System for Mobile CommunicationsGTK+—GIMP ToolkitGUI—Graphical User InterfaceGUID—Globally Unique IDentifierGWT—Google Web ToolkitGYR—IT NetworkingHHA—High availabilityHAL—Hardware Abstraction LayerHARD—HTML Application Rapid DevelopmentHASP—Houston Automatic Spooling PriorityHBA—Host Bus AdapterHCI—Human Computer InteractionHD—High DensityHDD—Hard Disk DriveHCL—Hardware Compatibility ListHD DVD—High Definition DVDHDL—Hardware Description LanguageHDMI—High-Definition Multimedia InterfaceHECI—Host Embedded Controller InterfaceHF—High FrequencyHFS—Hierarchical File SystemHHD—Hybrid Hard DriveHID—Human Interface DeviceHIG—Human Interface GuidelinesHIRD—Hurd of Interfaces Representing DepthHLASM—High Level ASseMblerHLS—HTTP Live StreamingHMA—High Memory AreaHP—Hewlett-PackardHPC—High-Performance ComputingHPFS—High Performance File SystemHSDPA—High-Speed Downlink Packet AccessHTC—High-Throughput ComputingHSM—Hierarchical Storage ManagementHT—Hyper ThreadingHTM—Hierarchical Temporal MemoryHTML—Hypertext Markup LanguageHTTP—Hypertext Transfer ProtocolHTTPd—Hypertext Transport Protocol DaemonHTTPS—HTTP SecureHTX—HyperTransport eXpansionHURD—Hird of Unix-Replacing DaemonsHVD—Holographic Versatile DiscHz—HertzIIC—Inter-Integrated CircuitIS—Integrated Interchip SoundI18N—InternationalizationIANA—Internet Assigned Numbers AuthorityIaaS—Infrastructure as a ServiceiBCS—Intel Binary Compatibility StandardIBM—International Business MachinesIC—Integrated CircuitICANN—Internet Corporation for Assigned Names and NumbersICE—In-Circuit EmulatorICE—Intrusion Countermeasure ElectronicsICH—I/O Controller HubICMP—Internet Control Message ProtocolICP—Internet Cache ProtocolICS—Internet Connection SharingICT—Information and Communication TechnologyIDE—Integrated Development EnvironmentIDE—Integrated Drive ElectronicsIDF—Intermediate Distribution FrameIDF—Intermediate Data FormatIDL—Interactive Data LanguageIDL—Interface Definition LanguageIDS—Intrusion Detection SystemIE—Internet ExplorerIEC—International Electrotechnical CommissionIEEE—Institute of Electrical and Electronics EngineersIETF—Internet Engineering Task ForceIFGICT—International Federation of Global & Green ICTIFL—Integrated Facility for LinuxIGMP—Internet Group Management ProtocolIGRP—Interior Gateway Routing ProtocolIHV—Independent Hardware VendorIIOP—Internet Inter-Orb ProtocolIIS—Internet Information ServicesIKE—Internet Key ExchangeIL—Intermediate LanguageIM—Instant MessagingIMAP—Internet Message Access ProtocolIME—Input Method EditorIMR—Internet Monthly ReportINFOSEC—Information Systems SecurityI/O—Input/outputIoT—Internet of ThingsIP—Intellectual PropertyIP—Internet ProtocolIPAM—IP Address ManagementIPC—Inter-Process CommunicationIPL—Initial Program LoadIPMI—Intelligent Platform Management InterfaceIPO—Inter Procedural OptimizationIPP—Internet Printing ProtocolIPS—In-Plane SwitchingIPS—Instructions Per SecondIPS—Intrusion Prevention SystemIPsec—Internet Protocol securityIPTV—Internet Protocol TelevisionIPv4—Internet Protocol version 4IPv6—Internet Protocol version 6IPX—Internetwork Packet ExchangeIR—Intermediate RepresentationIRC—Internet Relay ChatIrDA—Infrared Data AssociationIRI—Internationalized Resource IdentifierIRP—I/O Request PacketIRQ—Interrupt RequestIS—Information SystemsIS-IS—Intermediate System to Intermediate SystemISA—Industry Standard ArchitectureISA—Instruction Set ArchitectureISAM—Indexed Sequential Access MethodISATAP—Intra-Site Automatic Tunnel Addressing ProtocolISC—Internet Storm CenteriSCSI—Internet Small Computer System InterfaceISDN—Integrated Services Digital NetworkISO—International Organization for StandardizationiSNS—Internet Storage Name ServiceISP—Internet Service ProviderISPF—Interactive System Productivity FacilityISR—Interrupt Service RoutineISV—Independent Software VendorIT—Information TechnologyITIL—Information Technology Infrastructure LibraryITL—Interval Temporal LogicITU—International Telecommunication UnionIVRS—Interactive Voice Response SystemIVCR—Interactive Virtual ClassroomISDN—Integrated service digital networkJJ2EE—Java 2 Enterprise EditionJ2ME—Java 2 Micro EditionJ2SE—Java 2 Standard EditionJAXB—Java Architecture for XML BindingJAX-RPC—Java XML for Remote Procedure CallsJAXP—Java API for XML ProcessingJBOD—Just a Bunch of DisksJCE— Java Cryptography ExtensionJCL—Job Control LanguageJCP—Java Community ProcessJDBC—Java Database ConnectivityJDK—Java Development KitJEE—Java Enterprise EditionJES—Job Entry SubsystemJDS—Java Desktop SystemJFC—Java Foundation ClassesJFET—Junction Field-Effect TransistorJFS—IBM Journaling File SystemJINI—Jini Is Not InitialsJIT—Just-In-TimeJME—Java Micro EditionJMX—Java Management ExtensionsJMS—Java Message ServiceJNDI—Java Naming and Directory InterfaceJNI—Java Native InterfaceJNZ—Jump non-zeroJPEG—Joint Photographic Experts GroupJRE—Java Runtime EnvironmentJS—JavaScriptJSE—Java Standard EditionJSON—JavaScript Object NotationJSP—Jackson Structured ProgrammingJSP—JavaServer PagesJTAG—Joint Test Action GroupJVM—Java Virtual MachineKK&R—Kernighan and RitchieKB—KeyboardKb—KilobitKB—KilobyteKB—Knowledge BaseKiB—KibibyteKDE—K Desktop EnvironmentkHz—KilohertzKM—Knowledge MachineKRL—Knowledge Representation Language"KVM—Keyboard, Video, Mouse"LL10N—LocalizationL2TP—Layer two Tunneling ProtocolLACP—Link Aggregation Control ProtocolLAMP—Linux Apache MySQL PerlLAMP—Linux Apache MySQL PHPLAMP—Linux Apache MySQL PythonLAN—Local Area NetworkLBA—Logical Block AddressingLB—Load BalancerLCD—Liquid Crystal DisplayLCR—Least Cost RoutingLCOS—Liquid Crystal On SiliconLDAP—Lightweight Directory Access ProtocolLE—Logical ExtentsLED—Light-Emitting DiodeLF—Line FeedLF—Low FrequencyLFS—Linux From ScratchLGPL—Lesser General Public LicenseLIB—LIBraryLIF—Low Insertion ForceLIFO—Last In First OutLILO—Linux LoaderLIP—Loop Initialization PrimitiveLISP—LISt ProcessingLKML—Linux Kernel Mailing ListLM—Lan ManagerLOC—Lines of CodeLPC—Lars Pensj CLPI—Linux Professional InstituteLPT— Line Print TerminalLRU—Least Recently UsedLSB—Least Significant BitLSB—Linux Standard BaseLSI—Large-Scale IntegrationLTE—Long Term EvolutionLTL—Linear Temporal LogicLTR—Left-to-RightLUG—Linux User GroupLUN—Logical Unit NumberLV—Logical VolumeLVD—Low Voltage DifferentialLVM—Logical Volume ManagementLZW—Lempel-Ziv-WelchLGA—Land Grid ArrayMMAC—Mandatory AccessMAC—Media Access ControlMANET—Mobile Ad-Hoc NetworkMAN—Metropolitan Area NetworkMAPI—Messaging Application Programming InterfaceMBCS—Multi Byte Character SetMBD—Model-Based DesignMBR—Master Boot RecordMb—MegabitMB—MegabyteMCAD—Microsoft Certified Application DeveloperMCAS—Microsoft Certified Application SpecialistMCA—Micro Channel ArchitectureMCA—Microsoft Certified ArchitectMCDBA—Microsoft Certified DataBase AdministratorMCDST—Microsoft Certified Desktop Support TechnicianMCITP—Microsoft Certified Information Technology ProfessionalMCM—Microsoft Certified MasterMCPC—Multiple Channels Per CarrierMCPD—Microsoft Certified Professional DeveloperMCP—Microsoft Certified ProfessionalMCSA—Microsoft Certified Systems AdministratorMCSD—Microsoft Certified Solution DeveloperMCSE—Microsoft Certified Systems EngineerMCTS—Microsoft Certified Technology SpecialistMCT—Microsoft Certified TrainerMDA—Monochrome Display AdapterMDA—Mail Delivery AgentMDA—Model-Driven ArchitectureMDD/MDSD—Model-Driven (Software) DevelopmentMDF—Main Distribution FrameMDI—Multiple Document InterfaceMDM—Master Data ManagementME—Microsoft EdgeME—[Windows] Millennium EditionMFC—Microsoft Foundation ClassesMFM—Modified Frequency ModulationMF—Medium FrequencyMGCP—Media Gateway Control ProtocolMHz—MegahertzMIB—Management Information BaseMICR—Magnetic Ink Character RecognitionMIDI—Musical Instrument Digital Interface"MIMD—Multiple Instruction, Multiple Data"MIME—Multipurpose Internet Mail ExtensionsMIMO—Multiple-Input Multiple-OutputMINIX—MIni-uNIXMIPS—Microprocessor without Interlocked Pipeline StagesMIPS—Million Instructions Per Second"MISD—Multiple Instruction, Single Data"MIS—Management Information SystemsMIT—Massachusetts Institute of TechnologyML—Machine LearningMMC— Microsoft Management ConsoleMMDS—Mortality Medical Data SystemMMDS—Multichannel Multipoint Distribution ServiceMMF—Multi-Mode (optical) FiberMMIO—Memory-Mapped I/OMMI—Man Machine Interface.MMORPG—Massively Multiplayer Online Role-Playing GameMMU—Memory Management UnitMMX—Multi-Media ExtensionsMNG—Multiple-image Network GraphicsMoBo—MotherboardMOM—Message-Oriented MiddlewareMOO—MUD Object OrientedMOP—Meta-Object ProtocolMOSFET—Metal-Oxide Semiconductor Field Effect TransistorMOS—Microsoft Office SpecialistMOTD—Message Of The DayMOUS—Microsoft Office User SpecialistMOV—Apple QuickTime Multimedia FileMPAA—Motion Picture Association of AmericaMPEG—Motion Pictures Experts GroupMPLS—Multiprotocol Label SwitchingMPL—Mozilla Public LicenseMPU—Microprocessor UnitMS-DOS—Microsoft DOSMSA—Mail Submission AgentMSB—Most Significant BitMSDN—Microsoft Developer NetworkMSI—Medium-Scale IntegrationMSI—Message Signaled InterruptMSI—Microsoft InstallerMSN—Microsoft NetworkMS—MicrosoftMS—Memory StickMTA—Mail Transfer AgentMTA—Microsoft Technology AssociateMTBF—Mean Time Between FailuresMTU—Maximum Transmission UnitMT—Machine TranslationMUA—Mail User AgentMUD—Multi-User DungeonMU—Memory UnitMVC—Model-View-ControllerMVP—Most Valuable ProfessionalMVS—Multiple Virtual StorageMWC—Mobile World CongressMXF—Material Exchange FormatMX—Mail exchangeNNAC—Network Access ControlNACK—Negative ACKnowledgementNAK—Negative AcKnowledge CharacterNaN—Not a NumberNAP—Network Access ProtectionNAS—Network-Attached StorageNASM—Netwide ASseMblerNAT—Network Address TranslationNCP—NetWare Core ProtocolNCQ—Native Command QueuingNCSA—National Center for Supercomputing ApplicationsNDIS—Network Driver Interface SpecificationNDPS—Novell Distributed Print ServicesNDS—Novell Directory ServicesNEP—Network Equipment ProviderNetBIOS—Network Basic Input/Output SystemNetBT—NetBIOS over TCP/IPNEXT—Near-End CrossTalkNFA—Nondeterministic Finite AutomatonNFC—Near field communicationNFS—Network File SystemNGL—aNGeLNGSCB—Next-Generation Secure Computing BaseNI—National InstrumentsNIC—Network Interface ControllerNIM—No Internal MessageNIO—Non-blocking I/ONIST—National Institute of Standards and TechnologyNLE—Non-Linear Editing systemNLP—Natural Language ProcessingNLS—Native Language SupportNMI—Non-Maskable InterruptNNTP—Network News Transfer ProtocolNOC—Network Operations CenterNOP—No OPerationNOS—Network Operating SystemNP—Nondeterministic Polynomial timeNPL—Netscape Public LicenseNPTL—Native POSIX Thread LibraryNPU—Network Processing UnitNS—NetscapeNSA—Network Security ApplianceNSI—Network Service InterfaceNSPR—Netscape Portable RuntimeNSS—Novell Storage ServiceNSS—Network Security ServicesNSS—Name Service SwitchNT—New TechnologyNTFS—NT FilesystemNTLM—NT Lan ManagerNTP—Network Time ProtocolNUMA—Non-Uniform Memory AccessNURBS—Non-Uniform Rational B-SplineNVR—Network Video RecorderNVRAM—Non-Volatile Random Access MemoryOOASIS—Organization for the Advancement of Structured Information StandardsOAT—Operational Acceptance TestingOBSAI—Open Base Station Architecture InitiativeODBC—Open Database ConnectivityOEM—Original Equipment ManufacturerOES—Open Enterprise ServerOFDM—Orthogonal Frequency Division MultiplexingOFTC—Open and Free Technology CommunityOID—Object IdentifierOLAP—Online Analytical ProcessingOLE—Object Linking and EmbeddingOLED—Organic Light Emitting DiodeOLPC—One Laptop per ChildOLTP—Online Transaction ProcessingOMF—Object Module FormatOMG—Object Management GroupOMR—Optical Mark ReaderOO—Object-OrientedOO—OpenOfficeOOE—Out-of-Order ExecutionOOM—Out Of MemoryOOo—OpenOffice.orgOoOE—Out-of-Order ExecutionOOP—Object-Oriented ProgrammingOOTB—Out of the boxOPML—Outline Processor Markup LanguageORB—Object Request BrokerORM—Object-Relational MappingOS—Open SourceOS—Operating SystemOSCON—O'Reilly Open Source CONventionOSDN—Open Source Development NetworkOSI—Open Source InitiativeOSI—Open Systems InterconnectionOSPF—Open Shortest Path FirstOSS—Open Sound SystemOSS—Open-Source SoftwareOSS—Operations Support SystemOSTG—Open Source Technology GroupOUI—Organisationally Unique IdentifierPP2P—Peer-To-PeerPaaS—Platform as a ServicePAN—Personal Area NetworkPAP—Password Authentication ProtocolPARC—Palo Alto Research CenterPATA—Parallel ATAPBS—Portable Batch SystemPC—Personal ComputerPCB—Printed Circuit BoardPCB—Process Control BlockPC DOS—Personal Computer Disc Operating SystemPCI—Peripheral Component InterconnectPCIe—PCI ExpressPCI-X—PCI ExtendedPCL—Printer Command LanguagePCMCIA—Personal Computer Memory Card International AssociationPCM—Pulse-Code ModulationPCRE—Perl Compatible Regular ExpressionsPD—Public DomainPDA—Personal Digital AssistantPDF—Portable Document FormatPDH—Plesiochronous Digital HierarchyPDP—Programmed Data ProcessorPE—Physical ExtentsPERL—Practical Extraction and Reporting LanguagePFA—Please Find AttachmentPG—Peripheral GatewayPGA—Pin Grid ArrayPGA—Programmable Gate ArrayPGO—Profile-Guided OptimizationPGP—Pretty Good PrivacyPHP—Hypertext PreprocessorPIC—Peripheral Interface ControllerPIC—Programmable Interrupt ControllerPID—Proportional-Integral-DerivativePID—Process IDPIM—Personal Information ManagerPINE—Program for Internet News and EmailPIM—Platform Independent ModelPIO—Programmed Input/OutputPKCS—Public Key Cryptography StandardsPKI—Public Key InfrastructurePLC—Power Line CommunicationPLC—Programmable Logic ControllerPLD—Programmable Logic DevicePL/I—Programming Language OnePL/M—Programming Language for MicrocomputersPL/P—Programming Language for PrimePLT—Power Line TelecommunicationsPMM—POST Memory ManagerPNG—Portable Network GraphicsPnP—Plug-and-PlayPNRP—Peer Name Resolution ProtocolPoE—Power over EthernetPOID—Persistent Object IdentifierPOJO—Plain Old Java ObjectPOP—Point of PresencePOP3—Post Office Protocol v3"POSIX—Portable Operating System Interface, formerly IEEE-IX"POST—Power-On Self TestPPC—PowerPCPPI—Pixels Per InchPPP—Point-to-Point ProtocolPPPoA—PPP over ATMPPPoE—PPP over EthernetPPTP—Point-to-Point Tunneling ProtocolPR—Pull RequestPS—PostScriptPS/2—Personal System/2PSA—Professional Services AutomationPSM—Platform Specific ModelPSU—Power Supply UnitPSVI—Post-Schema-Validation InfosetPTS-DOS—PhysTechSoft - Disk Operating SystemPV—Physical VolumePVG—Physical Volume GroupPVR—Personal Video RecorderPXE—Preboot Execution EnvironmentPXI—PCI eXtensions for InstrumentationQQDR—Quad Data RateQA—Quality AssuranceQFP—Quad Flat PackageQoS—Quality of ServiceQOTD—Quote of the DayQt—Quasar ToolkitQTAM—Queued Teleprocessing Access MethodQSOP—Quarter Small Outline PackageqWave—Quality Windows Audio/Video ExperienceRRACF—Resource Access Control FacilityRAD—Rapid Application DevelopmentRADIUS—Remote Authentication Dial In User ServiceRAID—Redundant Array of Independent DisksRAII—Resource Acquisition Is InitializationRAIT—Redundant Array of Inexpensive TapesRAM—Random Access MemoryRARP—Reverse Address Resolution Protocol"RAS—Reliability, Availability and Serviceability"RAS—Remote access serviceRC—Region CodeRC—Release CandidateRC—Run CommandsRCA—Root Cause AnalysisRCS—Revision Control SystemRD—Remote Desktoprd—remove directoryRDBMS—Relational Database Management SystemRDC—Remote Desktop ConnectionRDF—Resource Description FrameworkRDM—Relational Data ModelRDOS—Real-time Disk Operating SystemRDP— Remote Desktop ProtocolRDS—Remote Data ServicesREFAL—Recursive Functions Algorithmic LanguageREP—RAID Error PropagationREST—Representational State TransferRESV—Reservation Messageregex—Regular Expressionregexp—Regular ExpressionRF—Radio FrequencyRFC—Request For CommentsRFI—Radio Frequency InterferenceRFID—Radio Frequency Identification"RGB—Red, Green, Blue""RGBA—Red, Green, Blue, Alpha"RHL—Red Hat LinuxRHEL—Red Hat Enterprise LinuxRIA—Rich Internet ApplicationRIAA—Recording Industry Association of AmericaRIP—Raster Image ProcessorRIP—Routing Information ProtocolRIR—Regional Internet registryRISC—Reduced Instruction Set ComputerRISC OS—Reduced Instruction Set Computer Operating SystemRJE—Remote Job EntryRLE—Run-Length EncodingRLL—Run-Length Limitedrmdir—remove directoryRMI—Remote Method InvocationRMS—Richard Matthew StallmanROM—Read Only MemoryROMB—Read-Out MotherboardROM-DOS—Read Only Memory - Disk Operating SystemRPA—Robotic Process AutomationRPC—Remote Procedure CallRPG—Report Program GeneratorRPM—RPM Package ManagerRRAS—Routing and Remote Access ServiceRSA—Rivest Shamir AdlemanRSI—Repetitive Strain InjuryRSS—Radio Service Software"RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication"RSVP—Resource Reservation ProtocolRTAI—Real-Time Application InterfaceRTC—Real-Time ClockRTE—Real-Time EnterpriseRTEMS—Real-Time Executive for Multiprocessor SystemsRTF—Rich Text FormatRTL—Right-to-LeftRTMP—Real Time Messaging ProtocolRTOS—Real-Time Operating SystemRTP—Real-time Transport ProtocolRTS—Ready To SendRTSP—Real Time Streaming ProtocolRTTI—Run-time Type InformationRWD—Responsive Web DesignSSaaS—Software as a ServiceSASS—Syntatically Awesome Style SheetsSAM— Security Account ManagerSAN—Storage Area NetworkSAS—Serial attached SCSISATA—Serial ATASAX—Simple API for XMLSBOD—Spinning Beachball of DeathSBP-2—Serial Bus Protocol 2sbin—superuser binarysbs—Small Business ServerSBU—Standard Build UnitSCADA—Supervisory Control And Data AcquisitionSCID—Source Code in DatabaseSCM—Software Configuration ManagementSCM—Source Code ManagementSCP—Secure CopySCPC—Single Channel Per CarrierSCPI—Standard Commands for Programmable InstrumentationSCSA—Secure Content Storage AssociationSCSI—Small Computer System InterfaceSCTP—Stream Control Transmission ProtocolSD—Secure DigitalSDDL—Security Descriptor Definition LanguageSDH—Synchronous Digital HierarchySDI—Single Document InterfaceSEC—Single Edge ContactSDIO—Secure Digital Input OutputSDK—Software Development KitSDL—Simple DirectMedia LayerSDN—Service Delivery NetworkSDP—Session Description ProtocolSDR—Software-Defined RadioSDRAM—Synchronous Dynamic Random Access MemorySDSL—Symmetric DSLSE—Single EndedSEI—Software Engineering InstituteSEO—Search Engine OptimizationSFTP—Secure FTPSFTP—Simple File Transfer ProtocolSFTP—SSH File Transfer Protocol"SGI—Silicon Graphics, Incorporated"SGML—Standard Generalized Markup LanguageSGR—Select Graphic RenditionSHA—Secure Hash AlgorithmSHDSL—Single-pair High-speed Digital Subscriber LineSIEM—Security information and event managementSIGCAT—Special Interest Group on CD-ROM Applications and TechnologySIGGRAPH—Special Interest Group on Graphics"SIMD—Single Instruction, Multiple Data"SIM—Subscriber Identification ModuleSIMM—Single Inline Memory ModuleSIP—Session Initiation ProtocolSIP—Supplementary Ideographic Plane"SISD—Single Instruction, Single Data"SISD—Subscriber Identification ModuleSISO—Single-Input and Single-OutputSLA—Service Level AgreementSLED—SUSE Linux Enterprise DesktopSLES—SUSE Linux Enterprise ServerSLI—Scalable Link InterfaceSLIP—Serial Line Internet ProtocolSLM—Service Level ManagementSLOC—Source Lines of CodeSME—Subject Matter ExpertSMF—Single-Mode (optical) FiberSPM—Software project management"SPMD—Single Program, Multiple Data"SMA—SubMiniature version ASMB—Server Message BlockSMBIOS—System Management BIOSSMIL—Synchronized Multimedia Integration LanguageS/MIME—Secure/Multipurpose Internet Mail ExtensionsSMP—Supplementary Multilingual PlaneSMP—Symmetric Multi-ProcessingSMPS—Switch Mode Power SupplySMS—Short Message ServiceSMS—System Management ServerSMT—Simultaneous MultithreadingSMTP—Simple Mail Transfer ProtocolSNA—Systems Network ArchitectureSNMP—Simple Network Management ProtocolSNTP—Simple Network Time ProtocolSOA—Service-Oriented ArchitectureSOAP—Simple Object Access ProtocolSOAP—Symbolic Optimal Assembly ProgramSOPA—Stop Online Piracy ActSoC—System-on-a-ChipSO-DIMM—Small Outline DIMMSOE—Standard Operating EnvironmentSOHO—Small Office/Home OfficeSOI—Silicon On InsulatorSP—Service PackSPA—Single Page ApplicationSPF—Sender Policy FrameworkSPI—Serial Peripheral InterfaceSPI—Stateful Packet InspectionSPARC—Scalable Processor ArchitectureSQL—Structured Query LanguageSRAM—Static Random Access MemorySSA—Static Single AssignmentSSD—Software Specification DocumentSSD—Solid-State DriveSSDP—Simple Service Discovery ProtocolSSE—Streaming SIMD ExtensionsSSH—Secure ShellSSI—Server Side IncludesSSI—Single-System ImageSSI—Small-Scale IntegrationSSID—Service Set IdentifierSSL—Secure Socket LayerSSO—Single Sign OnSSP—Supplementary Special-purpose PlaneSSSE—Supplementary Streaming SIMD ExtensionsSSSP—Single Source Shortest PathSSTP—Secure Socket Tunneling Protocolsu—superuserSUS—Single UNIX SpecificationSUSE—Software und System-EntwicklungSVC—Scalable Video CodingSVG—Scalable Vector GraphicsSVGA—Super Video Graphics ArraySVD—Structured VLSI DesignSWF—Shock Wave FlashSWT—Standard Widget ToolkitSysop—System operator"SOLID— Single-responsibility Principle, Open-closed Principle, Liskov substitution principle, Interface segregation principle, Dependency Inversion principle"TTAO—Track-At-OnceTAPI—Telephony Application Programming InterfaceTASM—Turbo ASseMblerTB—TeraByteTcl—Tool Command LanguageTCP—Transmission Control ProtocolTCP/IP—Transmission Control Protocol/Internet ProtocolTCU—Telecommunication Control UnitTDMA—Time-Division Multiple AccessTFT—Thin-Film TransistorTFTP—Trivial File Transfer ProtocolTI—Texas InstrumentsTIFF—Tagged Image File FormatTLA—Three-Letter AcronymTLD—Top-Level DomainTLS—Thread-Local StorageTLS—Transport Layer SecurityTLV—Type-length-valuetmp—temporaryTNC—Terminal Node ControllerTNC—Threaded Neill-Concelman connectorTPF—Transaction Processing FacilityTPM—Trusted Platform ModuleTROFF—Trace OffTRON—Trace OnTRON—The Real-time Operating system NucleusTRSDOS—Tandy Radio Shack - Disk Operating SystemTSO—Time Sharing OptionTSP—Traveling Salesman ProblemTSR—Terminate and Stay ResidentTTA—True Tap AudioTTF—TrueType FontTTL—Transistor-Transistor LogicTTL—Time To LiveTTS—Text-to-SpeechTTY—TeletypeTUCOWS—The Ultimate Collection of Winsock SoftwareTUG—TeX Users GroupTWAIN—Technology Without An Interesting NameUUAAG—User Agent Accessibility GuidelinesUAC—User Account ControlUART—Universal Asynchronous Receiver/TransmitterUAT—User Acceptance TestingUB—Undefined BehaviorUCS—Universal Character Set"UDDI—Universal Description, Discovery, and Integration"UDMA—Ultra DMAUDP—User Datagram ProtocolUEFI—Unified Extensible Firmware InterfaceUHF—Ultra High FrequencyUI—User InterfaceUL—UploadULA—Uncommitted Logic ArrayUMA—Upper Memory AreaUMB—Upper Memory BlockUML—Unified Modeling LanguageUML—User-Mode LinuxUMPC—Ultra-Mobile Personal ComputerUMTS—Universal Mobile Telecommunications SystemUNC—Universal Naming ConventionUNIVAC—Universal Automatic Computer (By MKS)UPS—Uninterruptible Power SupplyURI—Uniform Resource IdentifierURL—Uniform Resource LocatorURN—Uniform Resource NameUSB—Universal Serial Bususr—User System ResourcesUSR—U.S. RoboticsUTC—Coordinated Universal TimeUTF—Unicode Transformation FormatUTP—Unshielded Twisted PairUTRAN—Universal Terrestrial Radio Access NetworkUUCP—Unix to Unix CopyUUID—Universally Unique IdentifierUUN—Universal User NameUVC—Universal Virtual ComputerUWP—Universal Windows PlatformUX—User ExperienceVvar—variableVAX—Virtual Address eXtensionVCPI—Virtual Control Program InterfaceVB—Visual BasicVBA—Visual Basic for ApplicationsVBS—Visual Basic ScriptVDI—Virtual Desktop InfrastructureVDU— Visual Display UnitVDM— Virtual DOS machineVDSL—Very High Bitrate Digital Subscriber LineVESA—Video Electronics Standards AssociationVFAT—Virtual FATVHD — Virtual Hard DiskVFS—Virtual File SystemVG—Volume GroupVGA—Video Graphics ArrayVHF—Very High FrequencyVLAN—Virtual Local Area NetworkVLSM—Variable Length Subnet MaskVLB—Vesa Local BusVLF—Very Low FrequencyVLIW—Very Long Instruction WordVLSI—Very-Large-Scale IntegrationVM—Virtual MachineVM—Virtual MemoryVMM—Virtual Machine MonitorVNC—Virtual Network ComputingVOD—Video On DemandVoIP—Voice over Internet ProtocolVPN—Virtual Private NetworkVPS—Virtual Private ServerVPU—Visual Processing UnitVR—Virtual RealityVRML—Virtual Reality Modeling LanguageVSAM—Virtual Storage Access MethodVSAT—Very Small Aperture TerminalVT—Video Terminal?VTL— Virtual Tape LibraryVTAM—Virtual Telecommunications Access MethodVRAM—Video Random Access MemoryWW3C—World Wide Web ConsortiumWWDC—Apple World Wide Developer ConferenceWAFS—Wide Area File ServicesWAI—Web Accessibility InitiativeWAIS—Wide Area Information ServerWAN—Wide Area NetworkWAP—Wireless Access PointWAP—Wireless Application ProtocolWASM—Watcom ASseMblerWBEM—Web-Based Enterprise ManagementWCAG—Web Content Accessibility GuidelinesWCF—Windows Communication FoundationWDM—Wavelength-Division MultiplexingWebDAV—WWW Distributed Authoring and VersioningWEP—Wired Equivalent PrivacyWFI—Wait For InterruptWiMAX—Worldwide Interoperability for Microwave AccessWinFS—Windows Future StorageWinRT—Windows RunTimeWINS—Windows Internet Name ServiceWLAN—Wireless Local Area NetworkWMA—Windows Media AudioWMI— Windows Management InstrumentationWMV—Windows Media VideoWNS—Windows Push Notification ServiceWOL—Wake-on-LANWOR—Wake-on-Ring"WORA—Write once, run anywhere""WORE—Write once, run everywhere"WPA—Wi-Fi Protected AccessWPAD—Web Proxy Autodiscovery ProtocolWPAN—Wireless Personal Area NetworkWPF—Windows Presentation FoundationWS-D—Web Services-DiscoveryWSDL—Web Services Description LanguageWSFL—Web Services Flow LanguageWUSB—Wireless Universal Serial BusWWAN—Wireless Wide Area NetworkWWID—World Wide IdentifierWWN—World Wide NameWWW—World Wide WebWYSIWYG—What You See Is What You GetWZC—Wireless Zero ConfigurationXXAG—XML Accessibility GuidelinesXAML—eXtensible Application Markup LanguageXDM—X Window Display ManagerXDMCP—X Display Manager Control ProtocolXCBL—XML Common Business LibraryXHTML—eXtensible Hypertext Markup LanguageXILP—X Interactive ListProcXML—eXtensible Markup LanguageXMMS—X Multimedia SystemXMPP—eXtensible Messaging and Presence ProtocolXMS—Extended Memory SpecificationXNS—Xerox Network SystemsXP—Cross-PlatformXP—Extreme ProgrammingXPCOM—Cross Platform Component Object ModelXPI—XPInstallXPIDL—Cross-Platform IDLXPS— XML Paper SpecificationXSD—XML Schema DefinitionXSL—eXtensible Stylesheet LanguageXSL-FO—eXtensible Stylesheet Language Formatting ObjectsXSLT—eXtensible Stylesheet Language TransformationsXSS—Cross-Site ScriptingXTF—eXtensible Tag FrameworkXTF—eXtended Triton FormatXUL—XML User Interface LanguageXVGA—Extended Video Graphics AdapterYY2K—Year Two ThousandYAAF—Yet Another Application FrameworkYACC—Yet Another Compiler CompilerYAGNI—You Aren't Gonna Need ItYAML—YAML Ain't Markup LanguageYARN—Yet Another Resource NegotiatorYaST—Yet another Setup ToolZZCAV—Zone Constant Angular VelocityZCS—Zero Code SuppressionZIF—Zero Insertion ForceZIFS—Zero Insertion Force SocketZIP—ZIP file archiveZISC—Zero Instruction Set ComputerZOI—Zero One InfinityZOPE—Z Object Publishing EnvironmentZMA—Zone Multicast AddressZPL—Z-level Programming Languagewww.downloadexcelfiles.com