ABBREVIATION DERIVATION OF ABBREVIATION 

2DD double-side double density2HD double-side high density3D DDI 3 Dimensional Device Driver Interface4GL 4th generation language4GT 4 GB Ram TuningA3D Aural 3DABI application binary interfaceABS air bearing surfaceACE Advanced Computing EnvironmentACPI Advanced Configuration and Power InterfaceACSM Application Control State MachineADB Apple Desktop BusADE automatic design engineeringADF Auto Document FeederADO ActiveX Data ObjectsADSI Active Directory Service InterfacesADT attribute definition tableAGP Accelerated Graphics PortAIF application integration featureALU arithmetic logical unitAML ACPI Machine LanguageAMR Audio/Modem RiserAOAC always on/always connectedAPI application programming interfaceAPIC Advanced Programmable Interrupt ControllerAPM Advanced Power ManagementAPNIC Asia Pacific Network Information CenterARC Advanced RISC ComputingASF Active Streaming FormatASL ACPI Source LanguageASP active server pageASPI Advanced SCSI Programming InterfaceATA AT AttachmentATAPI AT Attachment Packet InterfaceATM asynchronous transfer modeATM API asynchronous transfer mode application programming interfaceATMS Automated Traffic Management SystemsAT-UD Unimodem Diagnostics CommandATX AT eXtensionAUI Attachment Unit InterfaceAVGA Advanced VGAAVI Audio Visual InterleavingAWT Abstract Window ToolkitBAR base address registerBASIC beginner's all-purpose symbolic instruction codeBBS bulletin board systembcc blind carbon copyBCL bias compensation layerBDA BIOS Data AreaBDC backup domain controllerBDK Business Development KitBIOS basic input/output systemBIPS billion instructions per secondBIS boot integrity services

BLOB Binary Large ObjectBML Broadcast Markup LanguageBMP Basic Multilingual PlaneBMP Bit MapBMS broadcast message serverBNF Backup Naur FormBOF beginning of fileBOOTP bootstrap protocolBPB BIOS Parameter BlocksBPC Broadcast PCBPI bit per inchBPI bit per instructionbpp bits per pixelBPR business process reengineeringbps bit per secondBRAN Broadband Radio Access NetworksBRI Basic Rate InterfaceBSDL Boundary Scan Description LanguageBTL backplane transceiver logicBTRON Business TRONBUS broadcast unknown serverC&C computer and communicationCA conditional accessCA certification authorityCAD computer aided designCAD/CAM computer aided design / computer aided manufacturingCAE computer aided engineeringCAE common application environmentCAE Conditional Access EngineCAI computer assisted (aided) instructionCAL common application languageCAL computer assisted learningCALS Computer-aided Acquisition and Logistical SupportCAM computer aided manufacturingCAM content addressable memoryCAPI Cryptographic APICASE computer aided software engineeringCAT computer aided testingCBQ class-based queuingCDA Compound Document ArchitectureCDB Command Description BlockCDC Connected Device ConfigurationCDDI copper distributed data interfaceCDE Common Desktop EnvironmentCDF Channel Definition FormatCDFF Common Document File FormatCDIF Common Document Intermediate FormatCDL Class Definition LanguageCDP Concept Description PlanCDRA Character Data Representation ArchitectureCDSA Common Data Security ArchitectureCEDR Windows CE Driver RepositoryCG computer graphicsCGA Color Graphics ArrayCGA column grid arrayCGI Computer Graphics Interface

CGI common gateway interfaceCGM Computer Graphics MetafileCHRP Common Hardware Reference PlatformCHS cylinder head sectorCI Component InstrumentationCICS Customer Information Control SystemCID Compatible IDCIFS Common Internet File SystemCIM computer integrated manufacturingCIM Common Information ModelCIMOM CIM Object ModelCINF check (modem) INF toolCIS card information structureCIS customer information systemCISC complex instruction set computerCL CAS(column address strobe) LatencyCLAD cell assembler/disassemblerCLDC Connected Limited Device ConfigurationCLI Call Level InterfaceCLOS Common Lisp Object SystemCLP cell loss priorityCLUT Colour Look-Up TableCMC Computer Numeric ControlCMIP common management information protocolCML Caucus Markup LanguageCMM color matching modulesCMM Capability Maturity ModelCNR Communication and Networking RiserCOBOL common business oriented languageCOCOMO construction cost modelCOM Component Object ModelCORBA Common Object Request Broker ArchitectureCOSE Common Open Software EnvironmentCOSS Common Object Service SpecificationCP/M control program for a microcomputerCPN central processing nodeCPU central processing unitCRL Certificate Revocation ListCSEL Cable SELectCSMA/CA carrier sense multiple access with collision avoidanceCSMA/CD carrier sense multiple access with collision detectionCSN Card Select NumberCSS Contact Start StopCSV comma separated value formatCT computerized tomographyCTI Computer Telephony IntegrationCTRON central-TRONCTS computerized typesetting systemCTS Clear To SendDA data administratorDAA Data Access ArrangementDAC Design Automation ConferenceDAP Directory Access ProtocolDAS dual attachment stationDASD direct access storage deviceDB database

DB2 Database 2DBA database administratorDBC Device Bay ControllerDBM Dual Bit MapDBMS database management systemDC device contextDCD Data Carrier DetectDCE Data Communications EquipmentDCE distributed computing environmentDCF Distributed Coordination FunctionDCI display control interfaceDCL Delay Calculation LanguageDCLZ data compression Lempel-ZivDCOM Distributed Component Object ModelDDC2B Display Data Channel Standard, Level 2BDDE Dynamic Data ExchangeDDF Data Description FieldDDFF Distributed Disk File FacilityDDK Driver Developers KitDDL data definition languageDDM design data managerDDM Distributed Data ManagementDDML Display Driver Management LayerDDoS distributed denial of serviceDDS Digital Data StorageDDS Distributed Data ServerDEF Design Exchange FormatDES data encryption standardDFM Distributed File ManagementDFS Distributed File SystemDFT Drive Fitness TestDFT design for testDIB Device Independent BitmapDIB Directory Information BaseDIFS distributed access inter frame spaceDIM Device Interface ModuleDINA Distributed Information Processing Network ArchitectureDIPS Dendenkousha Information Processing SystemDISA Distributed Information Processing System ArchitectureDISM Digital Interface Standards for MonitorDISP Directory Information Shadowing ProtocolDIT Directory Information TreeDLC data link controlDLCI datalink channel identifierDLL dynamic link libraryDME Distributed Management EnvironmentDMI Desktop Management InterfaceDML data manipulation languageDMTF Desktop Management Task ForceDMWG Data Management Work GroupDN Distinguished NameDNS Domain Name SystemDOA data oriented approachDOM Distributed Operations MasterDOMF Distributed Object Management FacilityDOP Directory Operational Protocol

DOS Disk Operating SystemDP data parallelismDPC Deferred Procedure CallDPI dot per inch(dpi)DPMI DOS protected mode interfaceDPMS Display Power Management SignalingDRC design rule checkerDRDA Distributed Relational Database ArchitectureDRF Data Recovery FieldDRM Digital Rights Management (System)DR-PI design representation programming interfaceDS Directory ServiceDSA Digital Signature AlgorithmDSE Development Software EngineerDSM digital storage mediaDSM-CC digital storage media-control commandDSO Dynamic Shared ObjectDSS Microsoft Mail Directory Synchronization (dir-sync) ServerDSS decision support systemDSSSL Document Style Semantics and Specification Language (ISO/IEC 10179)DSU digital service unitDTC Distributed Transaction CoordinatorDTD document type definitionDTE data terminal equipmentDTM data transfer mechanismDTP desktop publishingDTR Data Terminal ReadyDVMCI digital video media control interfaceDVO Digital Video OutputDXF drawing interchange fileEA extended attributesEAB embedded array blockEAP Extensible Authentication ProtocolEASI embedded all-in-one system interfaceEBCDIC extended binary coded decimal interchange codeEBCOT Embedded Block Coding with Optimized TruncationEDA electronic design automationEDD Enhanced Disk DriveEDF earliest deadline firstEDI electronic data interchangeEDID Extended Display Identification DataEDIF electronic design interchange formatEDO extended data outEDP electronic data processingEEMBC EDN Embedded Microprocessor Benchmark ConsortiumEFS Encrypting File SystemEGA Extended Color Graphics ArrayEGA Enhanced Graphics AdapterEHCI Enhanced Host Controller InterfaceEHLLAPI extended high level language application programming interfaceEIDE Enhanced Integrated Device ElectronicsEIO Extended I/OEISA extended industry standard architectureELF Extended Link FormatEM electronic mailEMB Extended Memory Block

EMC electro magnetic compatibilityEMF Extended metafileEMM Entitlement Management MessagesENIAC Electronic Numerical integrator And CalculatorEOF end of fileEPIC Explicitly Parallel Instruction ComputingEPP Enhanced Parallel PortE-R entity-relationshipERC electrical rule checkingERP Error Recovery ProcedureES expert systemESA extended service areaESA Enterprise Systems ArchitectureESC/P Epson Standard Code for PrinterESCD Extended System Configuration DataESCON enterprise systems connectionESDI enhanced small device interfaceESIOP environment-specific inter-ORB protocolESS extended service setETK Embedded ToolkitEUC Extended UNIX CodeEUC end-user computingEUI-64 Extended Unique IdentifierEVC Enhanced Video ConnectorEWS engineering workstationExCA Exchangeable Card ArchitectureFACS Firmware ACPI Control StructureFAPI Fingerprint Aware Application Program InterfaceFAT file allocation tableFBAPI Fingerprint Basic Aware Application Program InterfaceFCA Fibre Channel AssociationFC-AL Fibre Channel Arbitrated LoopFCB file control blockFC-EP Fibre Channel Extended PhysicalFCP Fibre Channel ProtocolFCP function control protocolFC-PH Fibre Channel PhysicalFCS frame check sequenceFCSI Fibre Channel Systems InitiativeFD floppy discFDC Floppy Disk Drive ControllerFDD floppy disc driveFDDI Fiber Distributed Data InterfaceFDIV Floating (point) DivideFDL Facility Data LinkFDO Functional Device ObjectFE Framing ErrorFEAPI Fingerprint Extended Aware Application Program InterfaceFFOL FDDI Follow on LANFHN Fiber HUB NodeFiDO Filter Device ObjectFIM Function Component Interface ModuleFIQ Fast Interrupt reQuestFLP fast link pulseFMV Full Motion VideoFMV fair market value

FNA Fujitsu Network ArchitectureFNO Foreign Namespace ObjectFoIP FAX over Internet ProtocolFORTRAN formula translatorFP function pointFPA function point analysisFPU floating-point processing unitFR frame relayFRS File Replication ServiceFSB Front Side BusFSD File System DriverFSF free software foundationFSRTL File System Run Time LibraryFTAM File Transfer, Access and ManagementFTC fault tolerant computerFTP File Transfer ProtocolFTS fault tolerant systemFTTB fiber to the buildingFTTC fiber to the curbGART Graphic Address Re-mapping TableGCP Global Computation PlatformGDA Global Document AnnotationGDI Graphical Device InterfaceGDT Global Descriptor TableGFC Generic Flow ControlGIDEI General Input Device Emulation InterfaceGIF Graphics Interchange FormatGINA Graphical Identification and AuthenticationGKS Graphical Kernel SystemGMR giant magnetoresistiveGNU general public licenseGNU GNU's Not Unix, "guh-NEW"GPC Graphics Performance CharacterizationGPIB general purpose interface busGPIO General Purpose I/OGPL GNU Public LicenseGSS-API Generic Security Service Application Program InterfaceGTF Generalized Timing FormulaGVIF Gigabit Video InterfaceH/W hardwareHA home automationHAA Hitachi Application ArchitectureHAMR Heat Assisted Magnetic RecordingHCI Host controller InterfaceHCL Hardware Compatibility ListHDA head disk assemblyHDC hard disk controllerHDCG high definition computer graphicsHDD hard disk driveHDL hardware description languageHDLC High Level Data Link Control proceduresHDT Host Digital TerminalHEC Header Error ControlHEL hardware emulator layerHFS hierarchical file systemHID Human Interface Device

HIPPI high performance parallel interfaceHLLAPI high-level language application programming interfaceHMA high memory areaHMI Human Machine InterfaceHPC high performance computationHPCCI High-performance Computing and Communications InitiativeHPF High Performance FortranHPFS High Performance File SystemHRTF Head Related Transfer FunctionHSFS High-Sierra File SystemHSM Hierarchical Storage ManagementHSSI High-Speed Serial InterfaceHSTP High Speed Transport ProtocolHTPC Home Theater Personal ComputersI2O Intelligent Input/OutputIA-PC Intel Architecture Personal ComputerIBIS I/O buffer information specificationICC integrated communication controllerICCCM Inter-Client Communication Conventions ManualICM Image Color ManagementICM Image Compression ManagerICU ISA Configuration UtilityIDAPI Integrated Database APIIDE integrated device electronicsIDL Interface Definition LanguageIDM Interleaved Device ModeIDT Internet Development ToolboxIDT Interrupt Dispatch TableIE Internet ExplorerIF Implements ForumIFC internet foundation classIFS ICOT Free SoftwareIFS instable file systemIFSMGR Instable File System ManagerIGES Initial Graphics Exchange SpecificationIHV independent hardware vendorIME Input Method EditorIN intelligent networkIndeo Intel Video TechnologyINN InterNetNewsIOOM the Ithaca Object-Oriented MethodologyIOS I/O SupervisorIP interface protocolIPC interprocess communicationIPD Integrated Program DecoderIPI Intelligent Peripheral InterfaceIPL Initial Program LoadIrLAP infrared link access protocolIrLMP infrared link management protocolIrMC Infrared Mobile CommunicationsIrOBEX Infrared Object Exchange ProtocolIRP I/O Request PacketIRQ interrupt requestIrTA infrared terminal adapterIrTran-P Infrared Transfer PictureIrWW Infrared Wrist Watch

ISA Industry Standard ArchitectureISAPI information server APIiSCSI Internet SCSI (SCSI over TCP/IP)ISIS Image and Scanner Interface SpecificationIS-IS Intermediate System to Intermediate System Infra Domain Routing Exchange

ProtocolISM Interface Subscriber ModuleISO/OSI International Standards Organization Open System InterconnectionISR Interrupt Service RoutineIST interrupt service threadISV independent software vendorIT information technologyITRON Industrial TRON(The Realtime Operating system Nucleus)IVD LAN integrated voice and data LANIVV Independent Verification & ValidationIX internet exchangeIXC Inter Exchange CarrierJAIN Integrated Network APIs for the Java PlatformJAM Java administration serverJAR Java archiveJava VM Java Virtual MachineJCL job control languageJCP Java Community ProcessJFC Java Foundation ClassesJIT Just-In-TimeJLE Japanese Language EnvironmentJNI Java Native Method InterfaceJOIS JICST On-line Information SystemKBM knowledge based machineKCC Knowledge Consistency CheckerKDD Knowledge Discovery in DatabasesKDT keyboard definition tableKPA key process areaKPS key predistribution systemLA laboratory automationLAN local area networkLAPM Link Access Protocol, ModemLBA logical block addressLBP laser beam printerLCC levelized compiled codeLCF Link Control FacilityLDAP lightweight directory access protocolLDI LVDS Display InterfaceLEC LAN emulation clientsLECS LAN emulation configuration serverLES LAN emulator serverLFN long file nameLIM Lotus-Intel-MicrosoftLIP Loop Initialization PrimitiveLP laser printerLPC Low Pin CountLPE layout parameter extractionlpi line per inchLPT line printerLSSD level sensitive scan design

LSTF least slack time firstLU Logical UnitLUN logical unit numberLVE Live Video ExtensionsLVM logical volume managerMA message areaMAC media access controlMADK Microsoft ActiveX Development KitMAOS multi application operating systemMAPI Messaging Application Programming InterfaceMAS multiple-address spaceMBONE multicast backboneMCA multi-channel accessMCA Micro Channel ArchitectureMCD Mini Client DriverMCGA Multi Color Graphics ArrayMCI Media Control InterfaceMCI Multimedia Control InterfaceMCT Modem Compatibility TestMCU multipoint connection unitMDD multi-valued decision diagramMDI Multiple Document InterfaceMDK Modem Developers KitMDL memory descriptor listMESN Media Event Status NotificationMF more fragments (bit)MF media flexibleMFP multi-function peripheralMFT master file tableMHS message handling systemMI Management InterfaceMIA Multivendor Integrated ArchitectureMIDI musical instrument digital interfaceMIDP Mobile Information Device ProfilesMIF Management Information FileMIF management information formatMII media independent interfaceMIMD multiple instruction stream multiple data streamMIPS million instructions per secondMIS management information systemMMC Microsoft Management ConsoleMMHID Multimedia Human Input DeviceMMIO memory-mapped I/OMMU memory management unitMMX multimedia extensionMNLS Multi National Language SupportMNP Microcom Networking ProtocolMOD movie on demandMOF Management Object FormatMOLAP multi-dimensional online analytical processingMOM message oriented middlewareMOOD Methodology for Object Oriented DesignMP/M multi-programming monitorMPC Multimedia Personal ComputerMPDU MAC Protocol Data UnitMPI Message Passing Interface

MPIC Multiprocessor Interrupt ControllerMPPE Microsoft Point-to-Point EncryptionMPS MultiProcessor SpecificationMR Mixed RealityMRCI Microsoft Real-time Compression InterfaceMSCDEX Microsoft CD-ROM ExtensionsMSCS Microsoft Cluster ServerMSDL Microsoft Download LibraryMSDN Microsoft Developer NetworkMS-DOS Microsoft disk operating systemMSDU MAC Service Data UnitMSEN Media Status Event NotificationMSMQ Microsoft Message Queue ServerMSO multiple system operatorMTD Memory Technology DriverMTE Message Transfer ElementMTF Microsoft Tape FormatMTS Microsoft Transaction ServerMTU maximum transmission unitMTU Maximum Transfer UnitMUD Master User DomainMUI multimedia user interfaceMULTOS multiapplication operating systemMVEX Minimal Video Extension to XMVS Multiple Virtual StorageMVS/ESA MVS/Enterprise Systems ArchitectureNABTS North American Basic Teletext SystemNAPLPS North American Presentation-Level-Protocol SyntaxNBDD NetBIOS datagram distribution serverNBNS NetBIOS name serverNC naming contextNC Network ComputerNCB network control blockNCP Netware Core ProtocolNCRP Network Computer Reference SpecificationNCS Network Computing SystemNCSS non-comment source statementsNCU network control unitNDD Norton Disk DoctorNDIS Network Driver Interface SpecificationNDPS network distributed print systemNDS Netware Directory ServiceNDS Novell Directory ServiceNEEDS Nikkei Economic Electronic Databank SystemNet PC network personal computerNetBEUI NetBIOS Extended User InterfaceNETBIOS Network Basic Input/Outputs SystemNFS network file systemNGIO Next Generation Input/OutputNIC network interface cardNIT Network Information TableNIU Network Interface UnitNLM NetWare loadable moduleNLS national language supportNNI network node interfaceNOD News on Demand

NOI Notice InquiryNOS Network Operating SystemNPI Network provider InterfaceNPR Notice of Proposed RulemakingNREN National Research and Education Networknrt non-real-timeNSP native signal processingNT New TechnologyNT Network TerminationNTDS Windows NT Directory ServiceNTFS NT File SystemNTLM Windows NT LAN ManagerNTP Network Time ProtocolNTS/E Windows NT Server, Enterprise EditionNVOD Near Video on DemandOADG Open Architecture Developing GroupOAK OEM Adoption KitOAM operation and maintenanceOCMP Open Computing environment for MIPS PlatformOCN Open Computer NetworkOCX OLE Custom controlODA Open Document ArchitectureODAPI Open Database Application Programming InterfaceODB object-oriented databaseODBC Open Database ConnectivityODBMS object(-oriented) database management systemODI Open Datalink InterfaceODS operational data storeODSI Open Directory Services InterfaceOEX OLE System ControlOFS Object File SystemOGI Open Graphics InitiativeOHCI Open Host Controller InterfaceOID Object IDOLAP on-line analytical processingOLCP on-line complex processingOLE Object Linking & EmbeddingOLTP on-line transaction processingOMA Object Management ArchitectureOMAP Open Multimedia Application PlatformOMG-IDL Object Management Group Interface Definition LanguageOMG-UNO Object Management Group Universal Networked ObjectsOMT Object Modeling TechniqueONC Open Network ComputingONP open network provisionONU optical network unitOOA object-oriented analysisOOAD object-oriented analysis and designOOD object-oriented designOODB object-oriented databaseOOP object-oriented programmingOOPS object-oriented programming systemOOPSLA Object-Oriented Programming, Systems, Languages, and ApplicationOpenHCI Open Host Controller InterfaceOPK OEM preinstallation kitOQL object query language

OR operations researchORB Operation Request BlockORB Object Request BrokerORDB Object-Relational DatabaseOS operating systemOSA Open Scripting ArchitectureOSF Open Software FoundationOSI Open System InterfaceOSI Open Systems InterconnectionOSPM OS-directed Power ManagementOSR OEM service releaseOTG on the goOTS Object Transaction ServiceOVI Open Verilog InternationalPA Precision ArchitecturePABX private automatic branch exchangePAC Privilege attribute CertificatePAD Program associated dataPAD packet assembler/disassemblerPAD Problem Analysis DiagramPARCOR partial auto correlationPA-RISC Precision Architecture-RISCPAS Pre-Boot Authentication ServicePC personal computerPC packet classifierPC-DOS Personal Computer-Disk Operating SystemPCI Peripheral Component InterconnectPCI PM PCI Bus Power Management SpecificationPCIC PC Card I/O CardsPCP Printer Control ProtocolPCS physical coding sublayerPCT Private Communication TechnologyPCTE portable common tool environmentPDA personal digital assistantsPDC primary domain controllerPDC Program Delivery ControlPDC professional developers conferencePDEF physical design exchange formatPDF Portable Document FilePDK Peripheral Developers KitPDL Process Design LanguagePDL page description languagePDM product data management systemPDM Primary Defect MapPDO physical device objectPDQ parallel data queryPDS public domain softwarePEX PHIGS Extension to XPFS Product Functional SpecificationPGP pretty good privacyPHIGS Programmer's Hierarchical Interactive Graphics SystemPIAM Platform Independent Application ModelPIC Personal Intelligent CommunicatorPIC Programmable Interrupt ControllerPICS Platform for internet Content SelectionPID Program ID

PID packet identificationPIF program information filePIM Parallel Inference MachinePIO programmed input/outputPIP P Internet ProtocolPIT Programmable Interrupt TimerPKT Partition Knowledge TablePL/1 Programming Language onePLB Picture Level BenchmarkPLDA Private Loop Direct AttachPLI programming language interfacePMA physical medium attachmentPMC PCI Mezzanine CardPMD physical medium dependentPMD physical media dependent sublayerPME Power Management EventPML Physical Markup LanguagePNG Portable Network GraphicsPOI point of interfacePOP point of presencePOP post office protocolPOPS peta operations per secondPOSIX portable operating system interfacePOST power-on self-testPOWER Performance Optimization with Enhanced RISCpp program parallelismppm pages per minutePPP Point-to-Point ProtocolPPTP point-to point tunneling protocolPRM Performance Report MessagePS/2 personal system/2PS2 Play Station 2PSS Product Support ServicesPSW Program Status WordPVC permanent virtual circuitPVM Parallel Virtual MachinePVP Packet Video ProtocolQBE query by exampleQCELP Qualcomm code excited linear predictionQCIF quarter common intermediate formatQIC Quarter-inch CartridgeQRSL Quad Rambus Signal LevelQTVR QuickTime VRQVGA quarter video graphic arrayRAD rapid application developmentRAID Redundant Arrays of Inexpensive DisksRAW read and writeRDA remote database accessRDB relational databaseRDBMS relational database management systemRDN Relative distinguished NameRFID Radio Frequency IdentificationRFT:DCA Revisable From Text : Document Content ArchitectureRID Relative IDRIFF Resource Interchange File FormatRIMM Rambus Inline Memory Module

RIPL Remote Initial Program LoadRISC reduced instruction set computerRLC Run Length CodingRMI remote method invocationRNI Raw Native InterfaceROLAP Relational online analytical processingRPC remote procedure callRPE-LTP Regular Pulse Excitation-Long Term Predictive cordingRPG Report Program GeneratorRSL Rambus Signal LevelRSX Intel Realistic Sound eXperienceRT remote terminalRT Real-TimeRTC real-time clockRTF Rich Text FormatRTK real time kinematicRTOS Real Time Operating SystemRTS Request To SendRWS Remote WinsockS/PDIF Sony Philips Digital InterfaceS/W softwareSA Structured AnalysisSAA Systems Application ArchitectureSACCH slow associated control channelSAF synthetic antiferromagnetSALT Speech Application Language TagSAM SCSI-3 Architecture ModelSAP secondary audio programmingSAR segmentation and reassemblySASI Shugart Associates System InterfaceSBC surrounded by complementSBC SCSI-3 Block CommandsSBE software behavior estimationSBP Serial Bus ProtocolSBS Smart Battery SpecificationSBS Smart Battery SystemsSC Structured ChartSCA single connector attachment for SCSI Disk DrivesSCAM SCSI Configured AutomaticallySCD SPARC Compliance DefinitionSCI scaleable coherent interfaceSCID Service Channel IDSCM Software Configuration ManagementSCP Source Compatibility PackageSCP Service Control PointSCSI small computer system interfaceSCSIFCP SCSI Fibre Channel ProtocolSCSL Sun Community Source LicenseSCT Software Compatibility TestSD Structured DesignSD shared diskSDAS System Development Architecture & Support facilitiesSDE Software Development EngineerSDH synchronous digital hierarchySDK software developer's kitSDLC Synchronous Data Link Control

SDP session description protocolSDR Sustained Data RateSDU Service Data UnitSE system engineerSE shared everythingSECC Single Edge Contact CartridgeSECE secure electronic commerce environmentSES solution exchange standardSETP Stream Environment Transport ProtocolSFF Small Form FactorSFN single frequency networkSFS stick-on free sliderSFS Shared File SystemSGML Standard Generalized Markup LanguageSI Service InformationSI system integrationSID Subsystem IDSIE Serial Interface EngineSIMD single instruction stream-multiple data streamSIPC Simply Interactive Personal ComputerSIR serial infrared interfaceSIS strategic information systemSLCP Software Life-Cycle ProcessesSLIC subscriber line interface circuitSLIP Serial Line IPS.M.A.R.T. Self-Monitoring, Analysis and Reporting TechnologySMB server message blockSMBus System Management BusSMDL Standard Music Description LanguageSMI system management interruptSMM system management modeSMS system management serverSNA Systems Network ArchitectureSNA Software Network ArchitectureSOF start of frameSPA Software Process AssessmentsSPARC Scalable Processor ArchitectureSPDL Standard Page Description LanguageSPEF Standard Parasitic Exchange FormatSPF standard parasitic formatSPI Serial Peripheral InterfaceSPICE Simulation Program with Integrated Circuit EmphasisSPID Service Profile IdentifierSPMD single program multiple data streamSPS Shock Protection SystemSPSR Stored Program Status RegisterSPX Sequenced Packet ExchangeSQL structured query languageSRB Stream Request blockSRC sample rate converterSRC sampling rate changeSSA Serial Storage ArchitectureSSADM Structured Systems and Design MethodSSC Smart Signal ConditioningSSDP Simple Service Discovery ProtocolSSI single system image

SSL Secure Socket LayerSSP serial storage protocolSSPI Security Support Provider InterfaceSSTF shortest seek time firstSSTV slow scan televisionSTD State Transition DiagramSTEP Standard for the Exchange of ProductSTI Still Image architectureSTT Secure Transaction TechnologySVC switched virtual connectionSVG Scalable Vector GraphicsSVGA super video graphics arraySVID System Vendor Interface Definition (IDentification)SXGA super extended graphic arraySXVGA super extended video graphics arrayTAPI Telephony application programming interfaceTBI Ten Bit InterfaceTCL Tool command LanguageTD-CDMA time division-code division multiple accessTDE telephone data entryTDI Transport Driver InterfaceTE terminal equipmentTFTP trivial file transfer protocolTIFF Tagged Image File FormatTLD Top Level DomainTLI Transport Level Interface for UNIXTM transaction managerTMDS Transition Minimized Differential SignalingTMF transaction monitoring facilityTOC table of contentsTREC Texture and Rendering Engine CompressionTRON The Realtime Operating system NucleusTSD type-specific driverTSR terminate-and-stay-residentTSS time sharing systemTWAIN Technology Without Any Interested NameTwinVQ transform domain weighted interleave vector quantizationTXD Transmission DataUAS User Account SystemUBR unspecified bit rateUCT Universal Coordinate TimeUDL/I unified design language of integrated circuitUDP User Datagram ProtocolUFS UNIX file systemUHCI Universal Host Controller InterfaceUI UNIX InternationalUI User InterfaceUI Unit IntervalUIMS user interface management systemULP upper layer protocolUML unified modeling languageU-N User to Network primitiveUNC Universal Naming ConventionUNI user network interfaceUP UniprocessorUPC Usage Parameter Control

UPF Uni Picture FormatURB USB request blockURL Uniform Resource LocatorUSB Universal Serial BusUSN Update Sequence NumberUTMI USB2.0 Transceiver Macrocell InterfaceUTOPIA Universal Test & Operations PHY Interface for ATMU-U User to User primitiveUUCP UNIX to UNIX Copy ProgramUVGA Ultimate VGA (1024 x 768, 60fps)VAFC Vesa Advanced Feature ConnectorVAN value added networkVB Visual BasicVBA Microsoft Visual Basic Programming System Application EditionVBE VESA BIOS ExtensionVBX Visual Basic ExtensionVC virtual channelVC virtual circuitVCCI Voluntary Control Council for Interference by Data Processing Equipment

and Electronic Office MachinesVCDFSD Virtual CD-ROM File System DriverVCI Virtual Channel IdentifierVDD Virtual Device DriverVDD Version Description DocumentVDIF Video display Information FormatVDM Virtual DOS MachineVDM Virtual Device ManagerVDMA Virtual DMAVDMAD Virtual DMA DeviceVDO Video Distribution OfficeVDP video datagram protocolVDS Virtual DMA ServicesVDT video display terminal/visual display terminalVESA Video Electronics Standard AssociationVFS virtual file systemVFW Video for WindowsVGA Video Graphics ArrayVHDL VHSIC hardware description languageVI VHDL InternationalVIP Video Information ProviderVISCA Video System Control ArchitectureVITAL VHDL Initiative toward ASIC LibrariesVL-Bus VESA local busVLM Very Large MemoryVM Virtual MachineVM/CMS Virtual Machine / Conversational Monitor SystemVM/ESA Virtual Machine/Enterprise Systems ArchitectureVME versa module EuropeanVMS Virtual Memory SystemVMTP Versatile Message Transaction ProtocolVOD video-on-demandVP virtual pathVPE Video Port ExtensionVPI virtual path identifierVpicD virtual programmable interrupt controller deviceVRML virtual reality modeling language

VSAM virtual storage access methodVSD Vendor Specific DriverVUDA VESA Unified Graphic ArchitectureVUMA VESA Unified Memory ArchitectureVVIDD VESA Video Interface for Digital DisplayVxD Virtual Device DriverVXI VMEbus extensions for instrumentationWAIS wide area information serverWBMP Wireless BitmapWBS work breakdown structureWBT Windows-Based TerminalWC write combiningWCEfA Windows CE for AutomotiveWD working draftWDCTRL Western Digital-Compatible Hard Disk ControllerWDI Watchdog inputWDL Windows Driver LibraryWDM Win32 Driver ModelWDMCSA WDM Connection and Streaming ArchitectureWHIIG Windows Hardware Instrumentation Implementation GuidelineWHQL Windows Hardware Quality LaboratoryWIA Windows Image AcquisitionWIA Wearable Internet ApplianceWIDE Widely Integrated Distributed EnvironmentWIFE Windows Intelligent Font EnvironmentWinHEC Windows Hardware Engineering ConferenceWINNLS Windows National Language SupportWINS Windows Internet Name ServiceWinSock Windows Sockets 2.0WIPS whetstone instructions per secondWLL wireless local loopWMA Windows Media AudioWMF Windows Meta-FileWMI Windows Management InstrumentationWORM write once, read manyWOSA Windows Open System ArchitectureWPS Windows Printing SystemWRAM Window RAMWRB Web Request BrokerWS workstationWSH Windows Scripting HostWSP WinSock ProxyWSS Windows Sound SystemWWDU Work With Display UnitsXCOFF eXtended Common Object File FormatXDR external data representationXFN X/Open Federated NamingXGA eXtended Graphics ArrayXHTML eXtensible Hypertext Markup LanguageXIMP X Window System Input Method ProtocolXIP eXecute-in-PlaceXKP Extended Kanji ProcessingXMS eXtended Memory SpecificationXNS Xerox Network SystemXPC extended processing complexXPG X/Open Portability Guide

XTP express Transfer ProtocolY2K Year 2000ZAK Zero Administration Kit foe Windows NT WorkstationZAW Zero Administration WindowsZIP Zone Improvement PlanZM zone markerZTAT Zero Turn Around TimeZVP Zoomed Video Port