List of computing and IT abbreviations



There are thousands of computer abbreviations. Many are concerned with the technical aspects of the computer, while others deal with personal communication. Following are some more common ones that you may have heard but do not know exactly what they mean. This is a list of computing and IT abbreviations from A-Z alphabetically.



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Computing and IT Acronyms and AbbreviationsA"AAAAuthentication Authorization, Accounting"AABBAxis Aligned Bounding BoxAACAdvanced Audio CodingAALATM Adaptation LayerAALCATM Adaptation Layer ConnectionAARPAppleTalk Address Resolution ProtocolABACAttribute-Based Access ControlABCLActor-Based Concurrent LanguageABIApplication Binary InterfaceABMAsynchronous Balanced ModeABRArea Border RouterABRAuto Baud-Rate detectionABRAvailable BitrateABRAverage BitrateACAcoustic CouplerACAlternating CurrentACDAutomatic Call DistributorACEAdvanced Computing EnvironmentACIDAtomicity Consistency Isolation DurabilityACKACKnowledgementACKAmsterdam Compiler KitACLAccess Control ListACLActive Current LoopACMAssociation for Computing MachineryACMEAutomated Classification of Medical EntitiesACPAirline Control ProgramACPIAdvanced Configuration and Power InterfaceACRAllowed Cell RateACRAttenuation to Crosstalk RatioADActive DirectoryADAdministrative DomainADCAnalog-to-Digital ConverterADCApple Display ConnectorADBApple Desktop BusADCCPAdvanced Data Communications Control ProceduresADOActiveX Data ObjectsADSLAsymmetric Digital Subscriber LineADTAbstract Data TypeAEAdaptive EqualizerAESAdvanced Encryption StandardAFAnisotropic FilteringAFPApple Filing ProtocolAGPAccelerated Graphics PortAHActive HubAIArtificial IntelligenceAIXAdvanced Interactive eXecutiveAjaxAsynchronous JavaScript and XMLALActive LinkALAccess ListALACApple Lossless Audio CodecALGOLAlgorithmic LanguageALSAAdvanced Linux Sound ArchitectureALUArithmetic and Logical UnitAMAccess MethodAMActive MatrixAMOLEDActive-Matrix Organic Light-Emitting DiodeAMActive MonitorAMAllied MastercomputerAMAmplitude ModulationAMDAdvanced Micro DevicesAMQPAdvanced Message Queuing ProtocolAMRAudio Modem RiserANNArtificial Neural NetworkANSIAmerican National Standards InstituteANTAnother Neat ToolAoEATA over EthernetAOPAspect-Oriented ProgrammingAPCIApplication-Layer Protocol Control InformationAPIApplication Programming InterfaceAPICAdvanced Programmable Interrupt ControllerAPIPAAutomatic Private IP AddressingAPLA Programming LanguageAPRApache Portable RuntimeARCAdaptive Replacement CacheARCAdvanced RISC ComputingARINAmerican Registry for Internet NumbersARMAdvanced RISC MachinesAROSAROS Research Operating SystemARPAddress Resolution ProtocolARPAAddress and Routing Parameter AreaARPAAdvanced Research Projects AgencyARPANETAdvanced Research Projects Agency NetworkASAccess ServerASCIIAmerican Standard Code for Information InterchangeAuthIPAuthenticated Internet ProtocolASETAutomated Security Enhancement ToolASGAbstract Semantic GraphASICApplication-Specific Integrated CircuitASIMOAdvanced Step in Innovative MobilityASLRAddress Space Layout RandomizationASMAlgorithmic State MachineASMPAsymmetric MultiprocessingASN.1Abstract Syntax Notation 1ASPActive Server PagesASPApplication Service ProviderASRAsynchronous Signal RoutineASTAbstract Syntax TreeATAdvanced TechnologyATAccess TimeATActive TerminatorATAAdvanced Technology AttachmentATAGAuthoring Tool Accessibility GuidelinesATAPIAdvanced Technology Attachment Packet InterfaceATMAsynchronous Transfer ModeAuthNAuthenticationAuthZAuthorizationAVAntivirusAVCAdvanced Video CodingAVIAudio Video InterleavedAWKAho Weinberger KernighanAWSAmazon Web ServicesAWTAbstract Window ToolkitAWFLAcronym With Four LettersBB2BBusiness-to-BusinessB2CBusiness-to-ConsumerB2EBusiness-to-EmployeeBALBasic Assembly LanguageBAMBlock Availability MapBashBourne-again shellBASICBeginner's All-Purpose Symbolic Instruction CodeBBPBaseband ProcessorBBSBulletin Board SystemBCBusiness ContinuityBCDBinary Coded DecimalBCDBoot Configuration DataBCNFBoyceCodd normal formBCPBusiness Continuity PlanningBEEPBlocks Extensible Exchange ProtocolBERBit Error RateBFDBidirectional Forwarding DetectionBFDBinary File DescriptorBFSBreadth-First SearchBFTByzantine Fault TolerantBGPBorder Gateway ProtocolBIBusiness IntelligenceBiDiBi-DirectionalbinbinaryBINACBinary Automatic ComputerBINDBerkeley Internet Name DomainBIOSBasic Input Output SystemBJTBipolar Junction Transistorbitbinary digitBlobBinary large objectBlogWeb LogBMPBasic Multilingual PlaneBNCBaby Neill ConstantBOINCBerkeley Open Infrastructure for Network ComputingBOMByte Order MarkBOOTPBootstrap ProtocolBPDUBridge Protocol Data UnitBPELBusiness Process Execution LanguageBPLBroadband over Power LinesBPMBusiness Process ManagementBPMBusiness Process Modelingbpsbits per secondBRMBusiness Reference ModelBRMSBusiness Rule Management SystemBRRBusiness Readiness RatingBRSBroadband Radio ServiceBSABusiness Software AllianceBSBBackside BusBSDBerkeley Software DistributionBSoDBlue Screen of DeathBSSBlock Started by SymbolBTBitTorrentBTBluetoothB TAMBasic Telecommunications Access MethodBWBandwidthBYODBring Your Own DeviceByteBy eight (group of 8 bits)CCAComputer AccountancyCADComputer-Aided DesignCAEComputer-Aided EngineeringCAIDComputer-Aided Industrial DesignCAIComputer-Aided InstructionCAMComputer-Aided ManufacturingCAPConsistency Availability Partition tolerance (theorem)CAPTCHACompletely Automated Public Turing Test to tell Computers and Humans ApartCATComputer-Aided TranslationCAQComputer-Aided Quality AssuranceCASEComputer-Aided Software EngineeringccC CompilerCDCompact DiscCDECommon Desktop EnvironmentCDFSCompact Disk File SystemCDMACode Division Multiple AccessCDNContent Delivery NetworkCDPCisco Discovery ProtocolCDPContinuous Data ProtectionCD-RCD-RecordableCD-ROMCD Read-Only MemoryCD-RWCD-RewritableCDSACommon Data Security ArchitectureCERTComputer Emergency Response TeamCESConsumer Electronics ShowCFCompact FlashCFDComputational Fluid DynamicsCFGContext-Free GrammarCFGControl Flow GraphCGComputer GraphicsCGAColor Graphics ArrayCGICommon Gateway InterfaceCGIComputer-Generated ImageryCGTComputational Graph TheoryCHAPChallenge-Handshake Authentication ProtocolCHSCylinder-Head-SectorCIDRClassless Inter-Domain RoutingCIFSCommon Internet FilesystemCIMCommon Information ModelCIMComputationally Independent ModelCIOChief Information OfficerCIRCommitted information rateCISCComplex Instruction Set Computer"CJKChinese, Japanese, and Korean""CJKVChinese, Japanese, Korean, and Vietnamese"CLICommand Line InterfaceCLRCommon Language RuntimeCMConfiguration ManagementCMContent ManagementCMDBConfiguration Management DatabaseCMMICapability Maturity Model IntegrationCMOSComplementary Metal-Oxide SemiconductorCMOCurrent Mode of OperationCMSContent Management SystemCNCanonical NameCNCommon NameCNCComputer Numerical ControlCNGCryptographic Next GenerationCNGCryptography Next GenerationCNRCommunications and Networking RiserCOBOLCommon Business-Oriented LanguageCOMComponent Object Model or communicationCORBACommon Object Request Broker ArchitectureCORSCross-Origin Resource SharingCOTSCommercial Off-The-ShelfCPACell Processor ArchitectureCPANComprehensive Perl Archive NetworkCP/MControl Program/MonitorCPRICommon Public Radio InterfaceCPScharacters per secondCPUCentral Processing UnitCQRSCommandquery separationCRCarriage ReturnCRANComprehensive R Archive NetworkCRCCyclic Redundancy CheckCRLFCarriage Return Line FeedsCRMCustomer Relationship ManagementCRSComputer Reservations SystemCRTCathode Ray Tube"CRUDCreate, Read, Update and Delete"CSCable SelectCSComputer ScienceCSEComputer Science and EngineeringCSICommon System InterfaceCSMCompatibility Support ModuleCSMA/CDCarrier sense multiple access with collision detectionCSPCloud Service ProviderCSPCommunicating Sequential ProcessesCSRFCross-Site Request ForgeryCSSCascading Style SheetsCSSContent-Scrambling SystemCSSClosed Source SoftwareCSSCross-Site ScriptingCSVComma-Separated ValuesCTComputerized TomographyCTANComprehensive TeX Archive NetworkCTCPClient-To-Client ProtocolCTIComputer Telephony IntegrationCTFECompile Time Function ExecutionCTLComputational Tree LogicCTMClose To MetalCTSClear To SendCTSSCompatible Time-Sharing SystemCUACommon User AccessCVSConcurrent Versioning SystemCXCustomer ExperienceDDACDigital-To-Analog ConverterDACDiscretionary Access ControlDALDatabase Abstraction LayerDAOData Access ObjectDAOData Access ObjectsDAODisk-At-OnceDAPDirectory Access ProtocolDARDirect Access RecoveryDARPADefense Advanced Research Projects AgencyDASDirect Attached StorageDATDigital Audio TapeDBDatabaseDSKTDesktopDBADatabase AdministratorDBCSDouble Byte Character SetDBMSDatabase Management SystemDCCDirect Client-to-ClientDCCPDatagram Congestion Control ProtocolDCCADebian Common Core AllianceDCLData Control LanguageDCSDistributed Control SystemDCMIDublin Core Metadata InitiativeDCOMDistributed Component Object ModelDDDouble DensityDDEDynamic Data ExchangeDDIDNS DHCP & IP Address managementDDLData Definition LanguageDDoSDistributed Denial of ServiceDDRDouble Data RateDECDigital Equipment CorporationDESData Encryption StandarddevdevelopmentDFADeterministic Finite AutomatonDFDData Flow DiagramDFSDepth-First SearchDFSDistributed File SystemDGDDworkin's Game DriverDHCPDynamic Host Configuration ProtocolDHTMLDynamic Hypertext Markup LanguageDIFData Integrity FieldDIMMDual Inline Memory ModuleDINDeutsches Institut fr NormungDIPDual In-line PackageDISMDeployment Image and Service Management ToolDIVXDigital Video ExpressDKIMDomain Keys Identified MailDLDownloadDLLDynamic Link LibraryDLNADigital Living Network AllianceDLPData loss protectionDMADirect Memory AccessDMCADigital Millennium Copyright ActDMIDirect Media InterfaceDMLData Manipulation LanguageDMLDefinitive Media LibraryDMRDennis M. RitchieDMZDemilitarized ZoneDNDistinguished NameDNDDrag-and-DropDNSDomain Name SystemDOADead on ArrivalDOCSISData Over Cable Service Interface SpecificationDOMDocument Object ModelDoSDenial of ServiceDOSDisk Operating SystemDPDot PitchDPCDeferred Procedure CallDPIDeep Packet InspectionDPIDots Per InchDPMIDOS Protected Mode InterfaceDPMSDisplay Power Management SignalingDRDisaster RecoveryDRAMDynamic Random-Access MemoryDR-DOSDigital Research - Disk Operating SystemDRIDirect Rendering InfrastructureDRMDigital Rights ManagementDRMDirect Rendering ManagerDSADigital Signature AlgorithmDSDLDocument Schema Definition LanguagesDSDMDynamic Systems Development MethodDSLDigital Subscriber LineDSLDomain-Specific LanguageDSLAMDigital Subscriber Line Access MultiplexerDSNDatabase Source NameDSNData Set NameDSPDigital Signal ProcessorDSSSLDocument Style Semantics and Specification LanguageDTDDocument Type DefinitionDTEData Terminal Equipment or data transfer rateDTPDesktop PublishingDTRData Terminal Ready or Data transfer rateDVDDigital Versatile DiscDVD-RDVD-RecordableDVD-ROMDVD-Read Only MemoryDVD-RWDVD-RewritableDVIDigital Visual InterfaceDVRDigital Video RecorderDWData WarehouseEEAIEnterprise Application IntegrationEAPExtensible Authentication ProtocolEASExchange ActiveSyncEBCDICExtended Binary Coded Decimal Interchange CodeEBMLExtensible Binary Meta LanguageECCElliptic Curve CryptographyECMAEuropean Computer Manufacturers AssociationECNExplicit Congestion NotificationECOSEmbedded Configurable Operating SystemECRSExpense and Cost Recovery SystemEDAElectronic Design AutomationEDGE Enhanced Data rates for GSM EvolutionEDIElectronic Data InterchangeEDOExtended Data OutEDSACElectronic Delay Storage Automatic CalculatorEDVACElectronic Discrete Variable Automatic ComputerEEPROMElectronically Erasable Programmable Read-Only MemoryEFFElectronic Frontier FoundationEFIExtensible Firmware InterfaceEFMEight-to-Fourteen ModulationEFMEthernet in the First MileEFSEncrypting File SystemEGAEnhanced Graphics ArrayE-mailElectronic mailEGPExterior Gateway ProtocoleIDelectronic ID cardEIDEEnhanced IDEEIGRPEnhanced Interior Gateway Routing ProtocolEISAExtended Industry Standard ArchitectureELFExtremely Low FrequencyELFExecutable and Linkable FormatELMELectronic MailEMACSEditor MACroSEMSExpanded Memory SpecificationENIACElectronic Numerical Integrator And ComputerEODEnd of DayEOFEnd of FileEOLEnd of LineEOMEnd Of MessageEOSEnd Of SupportEPICExplicitly Parallel Instruction ComputingEPROMErasable Programmable Read-Only MemoryERDEntity-Relationship DiagramERMEntity-Relationship ModelERPEnterprise Resource PlanningeSATAexternal SATAESBEnterprise service busESCONEnterprise Systems ConnectionESDElectrostatic DischargeESIElectronically Stored InformationESREric Steven Raymond"ETLExtract, Transform, Load"ETWEvent Tracing for WindowsEUCExtended Unix CodeEULAEnd User License AgreementEWMEnterprise Work ManagementEWMHExtended Window Manager HintsEXTEXTended file systemETAEstimated Time of ArrivalFFAPFORTRAN Assembly ProgramFASMFlat ASseMblerFATFile Allocation TableFAQFrequently Asked QuestionsFBDIMMFully Buffered Dual Inline Memory ModuleFC-ALFibre Channel Arbitrated LoopFCBFile Control BlockFCSFrame Check SequenceFDCFloppy Disk ControllerFDSFedora Directory ServerFDDFrequency-Division DuplexingFDDFloppy Disk DriveFDDIFiber Distributed Data InterfaceFDMFrequency-Division MultiplexingFDMAFrequency-Division Multiple AccessFECForward Error CorrectionFEMBFront-End MotherboardFETField Effect TransistorFHSFilesystem Hierarchy StandardFICONFIber CONnectivityFIFOFirst In First OutFIPSFederal Information Processing StandardsFLFunction LevelFLACFree Lossless Audio CodecFLOPSFLoating-Point Operations Per SecondFLOSSFree/Libre/Open Source Software"FMC Fixed Mobile Convergence ""Mobile UC or Unified Communications over Wireless"""FMOFuture Mode of OperationFOLDOCFree On-line Dictionary of ComputingFOSDEMFree and Open source Software Developers' European MeetingFOSIFormatted Output Specification InstanceFOSSFree and Open Source SoftwareFPFunction ProgrammingFPGAField Programmable Gate ArrayFPSFloating Point SystemsFPUFloating Point UnitFRUField Replaceable UnitFSFile SystemFSBFront Side BusfsckFile System CheckFSFFree Software FoundationFSMFinite State MachineFTTAFiber To The AntennaFTTCFiber To The CurbFTTHFiber To The HomeFTTPFiber To The PremisesFTPFile Transfer ProtocolFQDNFully Qualified Domain NameFUDFear Uncertainty DoubtFWSFolding White SpaceFXPFile eXchange ProtocolFYIFor Your InformationFVEKFull Volume Encryption KeyGG11NGlobalizationGasGNU AssemblerGbGigabitGBGigabyteGCCGNU Compiler CollectionGCJGNU Compiler for JavaGCPGoogle Cloud PlatformGCRGroup Coded RecordingGDBGNU DebuggerGDIGraphics Device InterfaceGFDLGNU Free Documentation LicenseGIFGraphics Interchange Format"GIGOGarbage In, Garbage Out"GIMPGNU Image Manipulation ProgramGIMPSGreat Internet Mersenne Prime SearchGISGeographic Information SystemGLUTOpenGL Utility ToolkitGMLGeography Markup LanguageGNOMEGNU Network Object Model EnvironmentGNUGNU's Not Unix"GOMSGoals, Operators, Methods, and Selection rules"GPASMGNU PIC ASseMblerGPFSGeneral Parallel File SystemGPGGNU Privacy GuardGPGPUGeneral-Purpose Computing on Graphics Processing UnitsGPIBGeneral-Purpose Instrumentation BusGPLGeneral Public LicenseGPLGeneral-Purpose LanguageGPRSGeneral Packet Radio ServiceGPTGUID Partition TableGPUGraphics Processing UnitGRUBGrand Unified Boot-LoaderGERANGSM EDGE Radio Access NetworkGSMGlobal System for Mobile CommunicationsGTK+GIMP ToolkitGUIGraphical User InterfaceGUIDGlobally Unique IDentifierGWTGoogle Web ToolkitGYRIT NetworkingHHAHigh availabilityHALHardware Abstraction LayerHARDHTML Application Rapid DevelopmentHASPHouston Automatic Spooling PriorityHBAHost Bus AdapterHCIHuman Computer InteractionHDHigh DensityHDDHard Disk DriveHCLHardware Compatibility ListHD DVDHigh Definition DVDHDLHardware Description LanguageHDMIHigh-Definition Multimedia InterfaceHECIHost Embedded Controller InterfaceHFHigh FrequencyHFSHierarchical File SystemHHDHybrid Hard DriveHIDHuman Interface DeviceHIGHuman Interface GuidelinesHIRDHurd of Interfaces Representing DepthHLASMHigh Level ASseMblerHLSHTTP Live StreamingHMAHigh Memory AreaHPHewlett-PackardHPCHigh-Performance ComputingHPFSHigh Performance File SystemHSDPAHigh-Speed Downlink Packet AccessHTCHigh-Throughput ComputingHSMHierarchical Storage ManagementHTHyper ThreadingHTMHierarchical Temporal MemoryHTMLHypertext Markup LanguageHTTPHypertext Transfer ProtocolHTTPdHypertext Transport Protocol DaemonHTTPSHTTP SecureHTXHyperTransport eXpansionHURDHird of Unix-Replacing DaemonsHVDHolographic Versatile DiscHzHertzIICInter-Integrated CircuitISIntegrated Interchip SoundI18NInternationalizationIANAInternet Assigned Numbers AuthorityIaaSInfrastructure as a ServiceiBCSIntel Binary Compatibility StandardIBMInternational Business MachinesICIntegrated CircuitICANNInternet Corporation for Assigned Names and NumbersICEIn-Circuit EmulatorICEIntrusion Countermeasure ElectronicsICHI/O Controller HubICMPInternet Control Message ProtocolICPInternet Cache ProtocolICSInternet Connection SharingICTInformation and Communication TechnologyIDEIntegrated Development EnvironmentIDEIntegrated Drive ElectronicsIDFIntermediate Distribution FrameIDFIntermediate Data FormatIDLInteractive Data LanguageIDLInterface Definition LanguageIDSIntrusion Detection SystemIEInternet ExplorerIECInternational Electrotechnical CommissionIEEEInstitute of Electrical and Electronics EngineersIETFInternet Engineering Task ForceIFGICTInternational Federation of Global & Green ICTIFLIntegrated Facility for LinuxIGMPInternet Group Management ProtocolIGRPInterior Gateway Routing ProtocolIHVIndependent Hardware VendorIIOPInternet Inter-Orb ProtocolIISInternet Information ServicesIKEInternet Key ExchangeILIntermediate LanguageIMInstant MessagingIMAPInternet Message Access ProtocolIMEInput Method EditorIMRInternet Monthly ReportINFOSECInformation Systems SecurityI/OInput/outputIoTInternet of ThingsIPIntellectual PropertyIPInternet ProtocolIPAMIP Address ManagementIPCInter-Process CommunicationIPLInitial Program LoadIPMIIntelligent Platform Management InterfaceIPOInter Procedural OptimizationIPPInternet Printing ProtocolIPSIn-Plane SwitchingIPSInstructions Per SecondIPSIntrusion Prevention SystemIPsecInternet Protocol securityIPTVInternet Protocol TelevisionIPv4Internet Protocol version 4IPv6Internet Protocol version 6IPXInternetwork Packet ExchangeIRIntermediate RepresentationIRCInternet Relay ChatIrDAInfrared Data AssociationIRIInternationalized Resource IdentifierIRPI/O Request PacketIRQInterrupt RequestISInformation SystemsIS-ISIntermediate System to Intermediate SystemISAIndustry Standard ArchitectureISAInstruction Set ArchitectureISAMIndexed Sequential Access MethodISATAPIntra-Site Automatic Tunnel Addressing ProtocolISCInternet Storm CenteriSCSIInternet Small Computer System InterfaceISDNIntegrated Services Digital NetworkISOInternational Organization for StandardizationiSNSInternet Storage Name ServiceISPInternet Service ProviderISPFInteractive System Productivity FacilityISRInterrupt Service RoutineISVIndependent Software VendorITInformation TechnologyITILInformation Technology Infrastructure LibraryITLInterval Temporal LogicITUInternational Telecommunication UnionIVRSInteractive Voice Response SystemIVCRInteractive Virtual ClassroomISDNIntegrated service digital networkJJ2EEJava 2 Enterprise EditionJ2MEJava 2 Micro EditionJ2SEJava 2 Standard EditionJAXBJava Architecture for XML BindingJAX-RPCJava XML for Remote Procedure CallsJAXPJava API for XML ProcessingJBODJust a Bunch of DisksJCE Java Cryptography ExtensionJCLJob Control LanguageJCPJava Community ProcessJDBCJava Database ConnectivityJDKJava Development KitJEEJava Enterprise EditionJESJob Entry SubsystemJDSJava Desktop SystemJFCJava Foundation ClassesJFETJunction Field-Effect TransistorJFSIBM Journaling File SystemJINIJini Is Not InitialsJITJust-In-TimeJMEJava Micro EditionJMXJava Management ExtensionsJMSJava Message ServiceJNDIJava Naming and Directory InterfaceJNIJava Native InterfaceJNZJump non-zeroJPEGJoint Photographic Experts GroupJREJava Runtime EnvironmentJSJavaScriptJSEJava Standard EditionJSONJavaScript Object NotationJSPJackson Structured ProgrammingJSPJavaServer PagesJTAGJoint Test Action GroupJVMJava Virtual MachineKK&RKernighan and RitchieKBKeyboardKbKilobitKBKilobyteKBKnowledge BaseKiBKibibyteKDEK Desktop EnvironmentkHzKilohertzKMKnowledge MachineKRLKnowledge Representation Language"KVMKeyboard, Video, Mouse"LL10NLocalizationL2TPLayer two Tunneling ProtocolLACPLink Aggregation Control ProtocolLAMPLinux Apache MySQL PerlLAMPLinux Apache MySQL PHPLAMPLinux Apache MySQL PythonLANLocal Area NetworkLBALogical Block AddressingLBLoad BalancerLCDLiquid Crystal DisplayLCRLeast Cost RoutingLCOSLiquid Crystal On SiliconLDAPLightweight Directory Access ProtocolLELogical ExtentsLEDLight-Emitting DiodeLFLine FeedLFLow FrequencyLFSLinux From ScratchLGPLLesser General Public LicenseLIBLIBraryLIFLow Insertion ForceLIFOLast In First OutLILOLinux LoaderLIPLoop Initialization PrimitiveLISPLISt ProcessingLKMLLinux Kernel Mailing ListLMLan ManagerLOCLines of CodeLPCLars Pensj CLPILinux Professional InstituteLPT Line Print TerminalLRULeast Recently UsedLSBLeast Significant BitLSBLinux Standard BaseLSILarge-Scale IntegrationLTELong Term EvolutionLTLLinear Temporal LogicLTRLeft-to-RightLUGLinux User GroupLUNLogical Unit NumberLVLogical VolumeLVDLow Voltage DifferentialLVMLogical Volume ManagementLZWLempel-Ziv-WelchLGALand Grid ArrayMMACMandatory AccessMACMedia Access ControlMANETMobile Ad-Hoc NetworkMANMetropolitan Area NetworkMAPIMessaging Application Programming InterfaceMBCSMulti Byte Character SetMBDModel-Based DesignMBRMaster Boot RecordMbMegabitMBMegabyteMCADMicrosoft Certified Application DeveloperMCASMicrosoft Certified Application SpecialistMCAMicro Channel ArchitectureMCAMicrosoft Certified ArchitectMCDBAMicrosoft Certified DataBase AdministratorMCDSTMicrosoft Certified Desktop Support TechnicianMCITPMicrosoft Certified Information Technology ProfessionalMCMMicrosoft Certified MasterMCPCMultiple Channels Per CarrierMCPDMicrosoft Certified Professional DeveloperMCPMicrosoft Certified ProfessionalMCSAMicrosoft Certified Systems AdministratorMCSDMicrosoft Certified Solution DeveloperMCSEMicrosoft Certified Systems EngineerMCTSMicrosoft Certified Technology SpecialistMCTMicrosoft Certified TrainerMDAMonochrome Display AdapterMDAMail Delivery AgentMDAModel-Driven ArchitectureMDD/MDSDModel-Driven (Software) DevelopmentMDFMain Distribution FrameMDIMultiple Document InterfaceMDMMaster Data ManagementMEMicrosoft EdgeME[Windows] Millennium EditionMFCMicrosoft Foundation ClassesMFMModified Frequency ModulationMFMedium FrequencyMGCPMedia Gateway Control ProtocolMHzMegahertzMIBManagement Information BaseMICRMagnetic Ink Character RecognitionMIDIMusical Instrument Digital Interface"MIMDMultiple Instruction, Multiple Data"MIMEMultipurpose Internet Mail ExtensionsMIMOMultiple-Input Multiple-OutputMINIXMIni-uNIXMIPSMicroprocessor without Interlocked Pipeline StagesMIPSMillion Instructions Per Second"MISDMultiple Instruction, Single Data"MISManagement Information SystemsMITMassachusetts Institute of TechnologyMLMachine LearningMMC Microsoft Management ConsoleMMDSMortality Medical Data SystemMMDSMultichannel Multipoint Distribution ServiceMMFMulti-Mode (optical) FiberMMIOMemory-Mapped I/OMMIMan Machine Interface.MMORPGMassively Multiplayer Online Role-Playing GameMMUMemory Management UnitMMXMulti-Media ExtensionsMNGMultiple-image Network GraphicsMoBoMotherboardMOMMessage-Oriented MiddlewareMOOMUD Object OrientedMOPMeta-Object ProtocolMOSFETMetal-Oxide Semiconductor Field Effect TransistorMOSMicrosoft Office SpecialistMOTDMessage Of The DayMOUSMicrosoft Office User SpecialistMOVApple QuickTime Multimedia FileMPAAMotion Picture Association of AmericaMPEGMotion Pictures Experts GroupMPLSMultiprotocol Label SwitchingMPLMozilla Public LicenseMPUMicroprocessor UnitMS-DOSMicrosoft DOSMSAMail Submission AgentMSBMost Significant BitMSDNMicrosoft Developer NetworkMSIMedium-Scale IntegrationMSIMessage Signaled InterruptMSIMicrosoft InstallerMSNMicrosoft NetworkMSMicrosoftMSMemory StickMTAMail Transfer AgentMTAMicrosoft Technology AssociateMTBFMean Time Between FailuresMTUMaximum Transmission UnitMTMachine TranslationMUAMail User AgentMUDMulti-User DungeonMUMemory UnitMVCModel-View-ControllerMVPMost Valuable ProfessionalMVSMultiple Virtual StorageMWCMobile World CongressMXFMaterial Exchange FormatMXMail exchangeNNACNetwork Access ControlNACKNegative ACKnowledgementNAKNegative AcKnowledge CharacterNaNNot a NumberNAPNetwork Access ProtectionNASNetwork-Attached StorageNASMNetwide ASseMblerNATNetwork Address TranslationNCPNetWare Core ProtocolNCQNative Command QueuingNCSANational Center for Supercomputing ApplicationsNDISNetwork Driver Interface SpecificationNDPSNovell Distributed Print ServicesNDSNovell Directory ServicesNEPNetwork Equipment ProviderNetBIOSNetwork Basic Input/Output SystemNetBTNetBIOS over TCP/IPNEXTNear-End CrossTalkNFANondeterministic Finite AutomatonNFCNear field communicationNFSNetwork File SystemNGLaNGeLNGSCBNext-Generation Secure Computing BaseNINational InstrumentsNICNetwork Interface ControllerNIMNo Internal MessageNIONon-blocking I/ONISTNational Institute of Standards and TechnologyNLENon-Linear Editing systemNLPNatural Language ProcessingNLSNative Language SupportNMINon-Maskable InterruptNNTPNetwork News Transfer ProtocolNOCNetwork Operations CenterNOPNo OPerationNOSNetwork Operating SystemNPNondeterministic Polynomial timeNPLNetscape Public LicenseNPTLNative POSIX Thread LibraryNPUNetwork Processing UnitNSNetscapeNSANetwork Security ApplianceNSINetwork Service InterfaceNSPRNetscape Portable RuntimeNSSNovell Storage ServiceNSSNetwork Security ServicesNSSName Service SwitchNTNew TechnologyNTFSNT FilesystemNTLMNT Lan ManagerNTPNetwork Time ProtocolNUMANon-Uniform Memory AccessNURBSNon-Uniform Rational B-SplineNVRNetwork Video RecorderNVRAMNon-Volatile Random Access MemoryOOASISOrganization for the Advancement of Structured Information StandardsOATOperational Acceptance TestingOBSAIOpen Base Station Architecture InitiativeODBCOpen Database ConnectivityOEMOriginal Equipment ManufacturerOESOpen Enterprise ServerOFDMOrthogonal Frequency Division MultiplexingOFTCOpen and Free Technology CommunityOIDObject IdentifierOLAPOnline Analytical ProcessingOLEObject Linking and EmbeddingOLEDOrganic Light Emitting DiodeOLPCOne Laptop per ChildOLTPOnline Transaction ProcessingOMFObject Module FormatOMGObject Management GroupOMROptical Mark ReaderOOObject-OrientedOOOpenOfficeOOEOut-of-Order ExecutionOOMOut Of MemoryOOoOpenOffice.orgOoOEOut-of-Order ExecutionOOPObject-Oriented ProgrammingOOTBOut of the boxOPMLOutline Processor Markup LanguageORBObject Request BrokerORMObject-Relational MappingOSOpen SourceOSOperating SystemOSCONO'Reilly Open Source CONventionOSDNOpen Source Development NetworkOSIOpen Source InitiativeOSIOpen Systems InterconnectionOSPFOpen Shortest Path FirstOSSOpen Sound SystemOSSOpen-Source SoftwareOSSOperations Support SystemOSTGOpen Source Technology GroupOUIOrganisationally Unique IdentifierPP2PPeer-To-PeerPaaSPlatform as a ServicePANPersonal Area NetworkPAPPassword Authentication ProtocolPARCPalo Alto Research CenterPATAParallel ATAPBSPortable Batch SystemPCPersonal ComputerPCBPrinted Circuit BoardPCBProcess Control BlockPC DOSPersonal Computer Disc Operating SystemPCIPeripheral Component InterconnectPCIePCI ExpressPCI-XPCI ExtendedPCLPrinter Command LanguagePCMCIAPersonal Computer Memory Card International AssociationPCMPulse-Code ModulationPCREPerl Compatible Regular ExpressionsPDPublic DomainPDAPersonal Digital AssistantPDFPortable Document FormatPDHPlesiochronous Digital HierarchyPDPProgrammed Data ProcessorPEPhysical ExtentsPERLPractical Extraction and Reporting LanguagePFAPlease Find AttachmentPGPeripheral GatewayPGAPin Grid ArrayPGAProgrammable Gate ArrayPGOProfile-Guided OptimizationPGPPretty Good PrivacyPHPHypertext PreprocessorPICPeripheral Interface ControllerPICProgrammable Interrupt ControllerPIDProportional-Integral-DerivativePIDProcess IDPIMPersonal Information ManagerPINEProgram for Internet News and EmailPIMPlatform Independent ModelPIOProgrammed Input/OutputPKCSPublic Key Cryptography StandardsPKIPublic Key InfrastructurePLCPower Line CommunicationPLCProgrammable Logic ControllerPLDProgrammable Logic DevicePL/IProgramming Language OnePL/MProgramming Language for MicrocomputersPL/PProgramming Language for PrimePLTPower Line TelecommunicationsPMMPOST Memory ManagerPNGPortable Network GraphicsPnPPlug-and-PlayPNRPPeer Name Resolution ProtocolPoEPower over EthernetPOIDPersistent Object IdentifierPOJOPlain Old Java ObjectPOPPoint of PresencePOP3Post Office Protocol v3"POSIXPortable Operating System Interface, formerly IEEE-IX"POSTPower-On Self TestPPCPowerPCPPIPixels Per InchPPPPoint-to-Point ProtocolPPPoAPPP over ATMPPPoEPPP over EthernetPPTPPoint-to-Point Tunneling ProtocolPRPull RequestPSPostScriptPS/2Personal System/2PSAProfessional Services AutomationPSMPlatform Specific ModelPSUPower Supply UnitPSVIPost-Schema-Validation InfosetPTS-DOSPhysTechSoft - Disk Operating SystemPVPhysical VolumePVGPhysical Volume GroupPVRPersonal Video RecorderPXEPreboot Execution EnvironmentPXIPCI eXtensions for InstrumentationQQDRQuad Data RateQAQuality AssuranceQFPQuad Flat PackageQoSQuality of ServiceQOTDQuote of the DayQtQuasar ToolkitQTAMQueued Teleprocessing Access MethodQSOPQuarter Small Outline PackageqWaveQuality Windows Audio/Video ExperienceRRACFResource Access Control FacilityRADRapid Application DevelopmentRADIUSRemote Authentication Dial In User ServiceRAIDRedundant Array of Independent DisksRAIIResource Acquisition Is InitializationRAITRedundant Array of Inexpensive TapesRAMRandom Access MemoryRARPReverse Address Resolution Protocol"RASReliability, Availability and Serviceability"RASRemote access serviceRCRegion CodeRCRelease CandidateRCRun CommandsRCARoot Cause AnalysisRCSRevision Control SystemRDRemote Desktoprdremove directoryRDBMSRelational Database Management SystemRDCRemote Desktop ConnectionRDFResource Description FrameworkRDMRelational Data ModelRDOSReal-time Disk Operating SystemRDP Remote Desktop ProtocolRDSRemote Data ServicesREFALRecursive Functions Algorithmic LanguageREPRAID Error PropagationRESTRepresentational State TransferRESVReservation MessageregexRegular ExpressionregexpRegular ExpressionRFRadio FrequencyRFCRequest For CommentsRFIRadio Frequency InterferenceRFIDRadio Frequency Identification"RGBRed, Green, Blue""RGBARed, Green, Blue, Alpha"RHLRed Hat LinuxRHELRed Hat Enterprise LinuxRIARich Internet ApplicationRIAARecording Industry Association of AmericaRIPRaster Image ProcessorRIPRouting Information ProtocolRIRRegional Internet registryRISCReduced Instruction Set ComputerRISC OSReduced Instruction Set Computer Operating SystemRJERemote Job EntryRLERun-Length EncodingRLLRun-Length Limitedrmdirremove directoryRMIRemote Method InvocationRMSRichard Matthew StallmanROMRead Only MemoryROMBRead-Out MotherboardROM-DOSRead Only Memory - Disk Operating SystemRPARobotic Process AutomationRPCRemote Procedure CallRPGReport Program GeneratorRPMRPM Package ManagerRRASRouting and Remote Access ServiceRSARivest Shamir AdlemanRSIRepetitive Strain InjuryRSSRadio Service Software"RSSRich Site Summary, RDF Site Summary, or Really Simple Syndication"RSVPResource Reservation ProtocolRTAIReal-Time Application InterfaceRTCReal-Time ClockRTEReal-Time EnterpriseRTEMSReal-Time Executive for Multiprocessor SystemsRTFRich Text FormatRTLRight-to-LeftRTMPReal Time Messaging ProtocolRTOSReal-Time Operating SystemRTPReal-time Transport ProtocolRTSReady To SendRTSPReal Time Streaming ProtocolRTTIRun-time Type InformationRWDResponsive Web DesignSSaaSSoftware as a ServiceSASSSyntatically Awesome Style SheetsSAM Security Account ManagerSANStorage Area NetworkSASSerial attached SCSISATASerial ATASAXSimple API for XMLSBODSpinning Beachball of DeathSBP-2Serial Bus Protocol 2sbinsuperuser binarysbsSmall Business ServerSBUStandard Build UnitSCADASupervisory Control And Data AcquisitionSCIDSource Code in DatabaseSCMSoftware Configuration ManagementSCMSource Code ManagementSCPSecure CopySCPCSingle Channel Per CarrierSCPIStandard Commands for Programmable InstrumentationSCSASecure Content Storage AssociationSCSISmall Computer System InterfaceSCTPStream Control Transmission ProtocolSDSecure DigitalSDDLSecurity Descriptor Definition LanguageSDHSynchronous Digital HierarchySDISingle Document InterfaceSECSingle Edge ContactSDIOSecure Digital Input OutputSDKSoftware Development KitSDLSimple DirectMedia LayerSDNService Delivery NetworkSDPSession Description ProtocolSDRSoftware-Defined RadioSDRAMSynchronous Dynamic Random Access MemorySDSLSymmetric DSLSESingle EndedSEISoftware Engineering InstituteSEOSearch Engine OptimizationSFTPSecure FTPSFTPSimple File Transfer ProtocolSFTPSSH File Transfer Protocol"SGISilicon Graphics, Incorporated"SGMLStandard Generalized Markup LanguageSGRSelect Graphic RenditionSHASecure Hash AlgorithmSHDSLSingle-pair High-speed Digital Subscriber LineSIEMSecurity information and event managementSIGCATSpecial Interest Group on CD-ROM Applications and TechnologySIGGRAPHSpecial Interest Group on Graphics"SIMDSingle Instruction, Multiple Data"SIMSubscriber Identification ModuleSIMMSingle Inline Memory ModuleSIPSession Initiation ProtocolSIPSupplementary Ideographic Plane"SISDSingle Instruction, Single Data"SISDSubscriber Identification ModuleSISOSingle-Input and Single-OutputSLAService Level AgreementSLEDSUSE Linux Enterprise DesktopSLESSUSE Linux Enterprise ServerSLIScalable Link InterfaceSLIPSerial Line Internet ProtocolSLMService Level ManagementSLOCSource Lines of CodeSMESubject Matter ExpertSMFSingle-Mode (optical) FiberSPMSoftware project management"SPMDSingle Program, Multiple Data"SMASubMiniature version ASMBServer Message BlockSMBIOSSystem Management BIOSSMILSynchronized Multimedia Integration LanguageS/MIMESecure/Multipurpose Internet Mail ExtensionsSMPSupplementary Multilingual PlaneSMPSymmetric Multi-ProcessingSMPSSwitch Mode Power SupplySMSShort Message ServiceSMSSystem Management ServerSMTSimultaneous MultithreadingSMTPSimple Mail Transfer ProtocolSNASystems Network ArchitectureSNMPSimple Network Management ProtocolSNTPSimple Network Time ProtocolSOAService-Oriented ArchitectureSOAPSimple Object Access ProtocolSOAPSymbolic Optimal Assembly ProgramSOPAStop Online Piracy ActSoCSystem-on-a-ChipSO-DIMMSmall Outline DIMMSOEStandard Operating EnvironmentSOHOSmall Office/Home OfficeSOISilicon On InsulatorSPService PackSPASingle Page ApplicationSPFSender Policy FrameworkSPISerial Peripheral InterfaceSPIStateful Packet InspectionSPARCScalable Processor ArchitectureSQLStructured Query LanguageSRAMStatic Random Access MemorySSAStatic Single AssignmentSSDSoftware Specification DocumentSSDSolid-State DriveSSDPSimple Service Discovery ProtocolSSEStreaming SIMD ExtensionsSSHSecure ShellSSIServer Side IncludesSSISingle-System ImageSSISmall-Scale IntegrationSSIDService Set IdentifierSSLSecure Socket LayerSSOSingle Sign OnSSPSupplementary Special-purpose PlaneSSSESupplementary Streaming SIMD ExtensionsSSSPSingle Source Shortest PathSSTPSecure Socket Tunneling ProtocolsusuperuserSUSSingle UNIX SpecificationSUSESoftware und System-EntwicklungSVCScalable Video CodingSVGScalable Vector GraphicsSVGASuper Video Graphics ArraySVDStructured VLSI DesignSWFShock Wave FlashSWTStandard Widget ToolkitSysopSystem operator"SOLID Single-responsibility Principle, Open-closed Principle, Liskov substitution principle, Interface segregation principle, Dependency Inversion principle"TTAOTrack-At-OnceTAPITelephony Application Programming InterfaceTASMTurbo ASseMblerTBTeraByteTclTool Command LanguageTCPTransmission Control ProtocolTCP/IPTransmission Control Protocol/Internet ProtocolTCUTelecommunication Control UnitTDMATime-Division Multiple AccessTFTThin-Film TransistorTFTPTrivial File Transfer ProtocolTITexas InstrumentsTIFFTagged Image File FormatTLAThree-Letter AcronymTLDTop-Level DomainTLSThread-Local StorageTLSTransport Layer SecurityTLVType-length-valuetmptemporaryTNCTerminal Node ControllerTNCThreaded Neill-Concelman connectorTPFTransaction Processing FacilityTPMTrusted Platform ModuleTROFFTrace OffTRONTrace OnTRONThe Real-time Operating system NucleusTRSDOSTandy Radio Shack - Disk Operating SystemTSOTime Sharing OptionTSPTraveling Salesman ProblemTSRTerminate and Stay ResidentTTATrue Tap AudioTTFTrueType FontTTLTransistor-Transistor LogicTTLTime To LiveTTSText-to-SpeechTTYTeletypeTUCOWSThe Ultimate Collection of Winsock SoftwareTUGTeX Users GroupTWAINTechnology Without An Interesting NameUUAAGUser Agent Accessibility GuidelinesUACUser Account ControlUARTUniversal Asynchronous Receiver/TransmitterUATUser Acceptance TestingUBUndefined BehaviorUCSUniversal Character Set"UDDIUniversal Description, Discovery, and Integration"UDMAUltra DMAUDPUser Datagram ProtocolUEFIUnified Extensible Firmware InterfaceUHFUltra High FrequencyUIUser InterfaceULUploadULAUncommitted Logic ArrayUMAUpper Memory AreaUMBUpper Memory BlockUMLUnified Modeling LanguageUMLUser-Mode LinuxUMPCUltra-Mobile Personal ComputerUMTSUniversal Mobile Telecommunications SystemUNCUniversal Naming ConventionUNIVACUniversal Automatic Computer (By MKS)UPSUninterruptible Power SupplyURIUniform Resource IdentifierURLUniform Resource LocatorURNUniform Resource NameUSBUniversal Serial BususrUser System ResourcesUSRU.S. RoboticsUTCCoordinated Universal TimeUTFUnicode Transformation FormatUTPUnshielded Twisted PairUTRANUniversal Terrestrial Radio Access NetworkUUCPUnix to Unix CopyUUIDUniversally Unique IdentifierUUNUniversal User NameUVCUniversal Virtual ComputerUWPUniversal Windows PlatformUXUser ExperienceVvarvariableVAXVirtual Address eXtensionVCPIVirtual Control Program InterfaceVBVisual BasicVBAVisual Basic for ApplicationsVBSVisual Basic ScriptVDIVirtual Desktop InfrastructureVDU Visual Display UnitVDM Virtual DOS machineVDSLVery High Bitrate Digital Subscriber LineVESAVideo Electronics Standards AssociationVFATVirtual FATVHD  Virtual Hard DiskVFSVirtual File SystemVGVolume GroupVGAVideo Graphics ArrayVHFVery High FrequencyVLANVirtual Local Area NetworkVLSMVariable Length Subnet MaskVLBVesa Local BusVLFVery Low FrequencyVLIWVery Long Instruction WordVLSIVery-Large-Scale IntegrationVMVirtual MachineVMVirtual MemoryVMMVirtual Machine MonitorVNCVirtual Network ComputingVODVideo On DemandVoIPVoice over Internet ProtocolVPNVirtual Private NetworkVPSVirtual Private ServerVPUVisual Processing UnitVRVirtual RealityVRMLVirtual Reality Modeling LanguageVSAMVirtual Storage Access MethodVSATVery Small Aperture TerminalVTVideo Terminal?VTL Virtual Tape LibraryVTAMVirtual Telecommunications Access MethodVRAMVideo Random Access MemoryWW3CWorld Wide Web ConsortiumWWDCApple World Wide Developer ConferenceWAFSWide Area File ServicesWAIWeb Accessibility InitiativeWAISWide Area Information ServerWANWide Area NetworkWAPWireless Access PointWAPWireless Application ProtocolWASMWatcom ASseMblerWBEMWeb-Based Enterprise ManagementWCAGWeb Content Accessibility GuidelinesWCFWindows Communication FoundationWDMWavelength-Division MultiplexingWebDAVWWW Distributed Authoring and VersioningWEPWired Equivalent PrivacyWFIWait For InterruptWiMAXWorldwide Interoperability for Microwave AccessWinFSWindows Future StorageWinRTWindows RunTimeWINSWindows Internet Name ServiceWLANWireless Local Area NetworkWMAWindows Media AudioWMI Windows Management InstrumentationWMVWindows Media VideoWNSWindows Push Notification ServiceWOLWake-on-LANWORWake-on-Ring"WORAWrite once, run anywhere""WOREWrite once, run everywhere"WPAWi-Fi Protected AccessWPADWeb Proxy Autodiscovery ProtocolWPANWireless Personal Area NetworkWPFWindows Presentation FoundationWS-DWeb Services-DiscoveryWSDLWeb Services Description LanguageWSFLWeb Services Flow LanguageWUSBWireless Universal Serial BusWWANWireless Wide Area NetworkWWIDWorld Wide IdentifierWWNWorld Wide NameWWWWorld Wide WebWYSIWYGWhat You See Is What You GetWZCWireless Zero ConfigurationXXAGXML Accessibility GuidelinesXAMLeXtensible Application Markup LanguageXDMX Window Display ManagerXDMCPX Display Manager Control ProtocolXCBLXML Common Business LibraryXHTMLeXtensible Hypertext Markup LanguageXILPX Interactive ListProcXMLeXtensible Markup LanguageXMMSX Multimedia SystemXMPPeXtensible Messaging and Presence ProtocolXMSExtended Memory SpecificationXNSXerox Network SystemsXPCross-PlatformXPExtreme ProgrammingXPCOMCross Platform Component Object ModelXPIXPInstallXPIDLCross-Platform IDLXPS XML Paper SpecificationXSDXML Schema DefinitionXSLeXtensible Stylesheet LanguageXSL-FOeXtensible Stylesheet Language Formatting ObjectsXSLTeXtensible Stylesheet Language TransformationsXSSCross-Site ScriptingXTFeXtensible Tag FrameworkXTFeXtended Triton FormatXULXML User Interface LanguageXVGAExtended Video Graphics AdapterYY2KYear Two ThousandYAAFYet Another Application FrameworkYACCYet Another Compiler CompilerYAGNIYou Aren't Gonna Need ItYAMLYAML Ain't Markup LanguageYARNYet Another Resource NegotiatorYaSTYet another Setup ToolZZCAVZone Constant Angular VelocityZCSZero Code SuppressionZIFZero Insertion ForceZIFSZero Insertion Force SocketZIPZIP file archiveZISCZero Instruction Set ComputerZOIZero One InfinityZOPEZ Object Publishing EnvironmentZMAZone Multicast AddressZPLZ-level Programming Languagewww.downloadexcelfiles.com