A/ftp.it.murdoch.edu.au/units/ICT523/Gartner_acrokey.pdf · compiler validation capability AD Applications development A/ D Analog-to-digital ADA Americans with Disabilities Act ADC

Acronym Key

Main Menu Next Page

24x7 24 hours a day, seven days a week24x365 24 hours a day, 365 days a year2PC Two-phase commit3GL Third-generation language4GL Fourth-generation languageA3 Adaptive Application ArchitectureAAC ATM access concentratorAAHP American Association of Health PlansAAPCC Adjusted average per capita costABC Activity-based costingABI Application binary interfaceAC Alternating currentACA Application Control ArchitectureACD 1. Automatic call distribution

2. Automatic call distributorACEACELP Algebraic Code Excited Linear PredictionACF Advanced Communications FunctionACF2 Access Control Facility 2 (from Computer Associates — also

called CA-ACF2)ACG Ambulatory Care Group (classification methodology)ACH Automated clearinghouseACIA Asynchronous communications interface adapterACID Atomicity, consistency, isolation, durabilityACL Access control listACM Association for Computing MachineryACMS Application Control and Management SystemACPI Advanced Configuration and Power InterfaceACVC Ada compiler validation capabilityAD Applications developmentA/D Analog-to-digitalADA Americans with Disabilities ActADC Analog-to-digital converterADE Applications development environment

ADF 1. Automatic document feeder2. Application Development Facility (IBM)

ADP Automatic Data ProcessingADPCM Adaptive Differential Pulse Code ModulationADSL Asymmetric digital subscriber lineADSM ADSTAR Distributed Storage ManagerADSTAR Automated Document Storage and RetrievalADT 1. Admission, discharge and transfer system

2. Abstract data type3. Access Developer’s Toolkit (Microsoft)

AEC Architecture, engineering and constructionAFP 1. Advanced Function Printing (IBM)

2. AppleTalk Filing ProtocolAFPDS Advanced Function Printing Data StreamAGP Accelerated Graphics Port (Intel interface specification)AGVS Automatic guided vehicle systemAHP 1. Accountable health plan

2. Analytical Hierarchy ProcessAI Artificial intelligenceAIF Application Integration Feature (IBM)AIP Application infrastructure providerAIX Advanced Interactive ExecutiveAM Amplitude modulationALU Arithmetic logic unitAMA 1. American Medical Association

2. American Management AssociationAMH Automated materials handlingAMPS Advanced mobile phone serviceAMR Automated medical recordANDF Architecturally neutral distribution formatANI Automatic number identificationANSI American National Standards InstituteAOCE Apple Open Collaboration EnvironmentAOL America Online

Acronym Key

Main Menu Next Page Previous Page

AP 1. Accounts payable2. Associated Press

APG Ambulatory Patient GroupAPI Application programming interfaceAPIA 1. Application Program Interface Association

2. Asia & Pacific Internet AssociationAPM Advanced Power MeasurementAPPC Advanced Program-to-Program CommunicationsAPPN Advanced Peer-to-Peer NetworkingAR Accounts receivableARD Application requirements definitionARO After receipt of orderASCB Application system control blockASCII American Standard Code for Information InterchangeASCOM Asynchronous communicationASI Application-specific interfaceASIC Application-specific integrated circuitASLP Application-specific logic productASN Abstract Syntax NotationASO Administrative Services OrganizationASP 1. Application service provider

2. Average selling priceAS/RS Automated storage/retrieval systemASSP Application-specific standard productAT Advanced technologyATE Automatic test equipmentATG Advanced technology groupATL Automated tape libraryATM 1. Asynchronous transfer mode

2. Automated teller machine3. Adobe Type Manager

AT&T American Telephone & Telegraph (do not spell out in Gartnerresearch)

AUX Apple Unix

AWG American wire gaugeAVI Audio Video InterleaveAVL Automatic vehicle locationAWP 1. Average wholesale price

2. Any willing provider (legislation)AWS Automatic Warehousing SystemB2B Business-to-business (also B-to-B)B2C Business-to-consumer (also B-to-C)B2E Business-to-employee (also B-to-E)BACP Bandwidth Allocation Control ProtocolBAPI Business Application Programming Interface (SAP)BASIC Beginner’s All-purpose Symbolic Instruction CodeBBS Bulletin board systemBC Business continuityBC/BS Blue Cross/Blue ShieldBCD Binary-coded decimalBCOCA Bar Code Object Content ArchitectureBCP Business continuity planningBECN Backward explicit congestion notificationBER Bit error rateBETRS Basic exchange telephone radio systemBHO Behavioral health organizationBI Business intelligenceBIA Business impact analysisBiCMOS Bipolar complementary metal-oxide semiconductorBiMOS Bipolar metal oxide semiconductorBIOS Basic Input/Output SystemB-ISDN Broadband ISDNBitBLT Bit block transferBLOB Binary large objectBOC Bell operating companyBOM Bill of materialBOOTP Bootstrap ProtocolBOP Beginning of partition

Acronym Key


BOT Beginning of tapeBOSS 1. Business Object Server Solution (IBM)

2. Business Object Storage Specification (ComputerAssociates/Cheyenne Software)

BPA Business process automationBPO Business process outsourcingBPR Business process re-engineeringbps Bits per secondBRA Basic Rate Access (known as BRI in the United States)BRI Basic Rate Interface (known as BRA in Canada and Europe)BRP Business recovery planningBRS Business Recovery Services (IBM)BU Business unitBSC 1. Bisynchronous communication

2. Base station controllerBSI British Standards InstituteBTA Basic trading areaC3I Command, control, communications and intelligence (defense

industry acronym)CA 1. Computer Associates International

2. Certificate authorityCAC Connection admission controlCACH Call appearance call handlingCAD Computer-aided designCADAM Computer-Graphics Augmented Design and Manufacturing

(Lockheed)CAD/CAM Computer-aided design/computer-aided manufacturingCADD Computer-aided design and draftingCAE Computer-aided engineeringCAFM Computer-aided facilities managementCAGR Compound annual growth rateCAI Common air interfaceCALS Continuous Acquisition and Life-Cycle SupportCAM Computer-aided manufacturingCAPE Concurrent art-to-product environment

CAPS Compugraphic Automated Publishing SystemCASE Computer-aided software engineeringCAT Computerized axial tomographyCATV Community antenna television (a.k.a. cable television)CAV Constant angular velocityCBD Component-based developmentCBIC Cell-based integrated circuitCBR 1. Case-based reasoning

2. Content-based retrieval3. Constant bit rate

CBT Computer-based trainingCCD Charge-coupled deviceCCD+ Cash Concentration and Disbursement plus addendumCCIR Consultative Committee on International RadioCCITT Comite Consultatif International Telegraphique et Telephonique

(International Telegraph and Telephone Consultative Committee)— now known as the International Telecommunications Union(ITU)

CC/ME Computational chemistry/molecular engineeringCCN Common control nodeCCOW Clinical Context Object WorkgroupCCR Customer-controlled reconfigurationCCTV Closed-circuit televisionCD 1. Compact disc

2. Critical dimension3. Certificate of deposit

CDA Compound document architecture (generic term)CDDI Copper-distributed data interfaceCDE 1. Common Desktop Environment (from COSE)

2. Cooperative Development Environment (from Oracle)CD-I Compact Disc-Interactive (Philips)CDIF CASE Data Interchange FacilityCDLA Computer Dealers and Lessors AssociationCDMA Code division multiple accessCDPD Cellular digital packet data

Acronym Key


CDR 1. Call detail recording2. Clinical data repository

CD-ROM Compact disc read-only memoryCDS Call directory serviceCE Concurrent engineeringCEC Central electronics complexCEO Chief executive officerCEPT Conference on European Post and TelegraphCERDIP Ceramic dual in-line packageCERT Computer Emergency Response Team (SEI)CES Consumer Electronics ShowCFO Chief financial officerCFROI Cash flow return on investmentCGA Color Graphics AdapterCGI Common Gateway InterfaceCGS Cap Gemini SogetiCHAMPUS Civilian Health and Medical Program of the Uniformed ServicesCHIN Community healthcare information networkCHRP Common Hardware Reference PlatformCICS Customer Information Control SystemCIDR Classless interdomain routingCIFS Common Internet File SystemCIM Computer-integrated manufacturingCIO Chief information officerCIR Committed information rateCIRC Cross-interleaved Reed-Solomon codeCIRT Cyber incident response teamCIS Commonwealth of Independent StatesCISC Complex instruction set computerCIT Computer Integrated TelephonyCLEC Competitive local exchange carrierCLI Call-level interfaceCLLM Consolidated Link Layer ManagementCLV Constant linear velocity

CM Change managementCMA Concert Multithread ArchitectureCMIP Common Management Information ProtocolCMIS Common Management Information StandardCML Chemical Markup LanguageCMM Capability Maturity ModelCMOS Complementary metal-oxide semiconductorCMS 1. Conversational Monitor System (part of VM)

2. Contract management system3. Color Management System (Kodak)4. Change Management System (Aldon Computer Group)5. Cable management system6. Centers for Medicare and Medicaid Services

CNOS Corporate network operating systemCNS Converged network servicesCO Central officeCOB Chip-on-boardCOBOL Common Business Oriented LanguageCOBRA Consolidated Omnibus Budget Reconciliation ActCODASYL Conference on Data Systems LanguagesCOE Center of excellenceCOGS Cost of goods soldCOLD Computer output to laserdiscCOLS Commercial online serviceCOM 1. Computer output to microfiche

2. Component Object Model (Microsoft)COMDEX Computer Dealers’ ExpositionCOM-R Computer output to microfiche replacementCOO Chief operating officerCORBA Common Object Request Broker ArchitectureCOS Class of serviceCOSE Common Open Software EnvironmentCOTS Commercial off-the-shelf (application)CPE Customer premises equipmentCPI 1. Common Programming Interface (part of SAA)

2. Continuous process improvement

Acronym Key


CPI-C Common Programming Interface for CommunicationsCPID Calling party identificationCPM 1. Critical path method

2. Critical path managementCP/M Control Program for MicrocomputersCPP Commercial parallel processingCPR 1. Computer-based patient record system

2. Cardiopulmonary resuscitationcps Characters per secondCPU Central processing unitCQI Continuous quality improvementCRC 1. Cyclic redundancy check (error detection)

2. Camera-ready copyCRM Customer relationship managementCRP Capacity requirements planningCRS Cell relay serviceCRT Cathode-ray tubeCRTC Canadian Radio-television and Telecommunications

CommissionCRUD Create, read, update, deleteCS Customer serviceC/S Client/serverCSC Computer Sciences Corp.CSD Consolidated service deskCSF Critical success factorCSI Computer Security InstituteCSO Consolidated support organizationCSR Customer service respresentativeCSS Customer service and supportCSU Channel service unitCT Cordless telephoneCTI Computer-telephony integrationCTO Chief technical officerCU Compliance unitCUA Common User Access (part of SAA)

CVD Chemical vapor depositionCWC Clear With ComputersCXI Common X interfaceDA 1. Data administrator

2. Data administrationD/A Digital-to-analogDAC 1. Digital-to-analog converter

2. Data access controlDACS Digital access and cross-connect systemDADI Directly addressable device interfaceDAL 1. Data Access Language (from Apple)

2. Dedicated access lineDARPA Defense Advanced Research Projects AgencyDART Data analysis and reporting toolsDASD Direct-access storage deviceDAT Digital audio tapeDAVAR Dealer-assisted value-added resellerDB2 Database 2DBA 1. Database administrator

2. Database administrationDBCS Double-byte character setDBMS Database management systemDBS Direct broadcast satelliteDC Direct currentDCA 1. Digital Communications Associates

2. Document Content Architecture (IBM)DCE 1. Distributed Computing Environment (from The Open Group)

2. Distributed computing environment (generic term)3. Data communications equipment

DCF Document Composition FacilityDCOM Distributed Component Object ModelDCS Digital Cellular SystemDCT Digital cordless telephonyDDE Dynamic Data ExchangeDDL Data definition languageDDN Defense Data Network

Acronym Key


DDP Digital data processingDDS Digital Data StorageDECT Digital Enhanced Cordless Telecommunications (formerly

Digital European Cordless Telecommunications)DES Data Encryption StandardDEVA Document-enabled vertical applicationsDFDSS Data Facility Data Set ServicesDFHSM Data Facility Hierarchical Storage Manager (a.k.a. DFSMShsm)DFP Data Facility Product (a.k.a. DFSMSdfp)DFS Distributed File System (Transarc product)DFSMS Data Facility Storage Management SubsystemDFSMSdfp DFSMS Data Facility Product (a.k.a. DFP)DFSMShsm DFSMS Hierarchical Storage Manager (a.k.a. DFHSM)DFSORT Data Facility SortDG Data GeneralDHCF Distributed Host Command FacilityDHCP Dynamic Host Configuration ProtocolDIA 1. Document Interchange Architecture (part of SAA)

2. Display Industry AssociationDICOM Digital Imaging and Communications in MedicineDID Direct inward dialingDIF Data interchange formatDIP Dual in-line packageDIS 1. Data Interpretation System

2. Draft international standardDISA 1. Direct inward system access

2. Data Interchange Standards AssociationDISOSS Distributed Office Support SystemDL/1 Data Language/1DLCI Data link connection identifierDLL 1. Dynamic Link Library (Windows and OS/2 feature)

2. Down line loadDLS Data Link SwitchingDLSw Data Link SwitchingDM Data mining

DMA 1. Document Management Alliance2. Direct memory access

DME 1. Distributed Management Environment2. Durable medical equipment

DMI Desktop Management InterfaceDML Data Manipulation LanguageDMS Defense Message SystemDMTF Desktop Management Task ForceDMZ Demilitarized zoneDNA Distributed interNet Applications (Microsoft architecture)DNIC Data network identification codeDNIS Dialed number identification serviceDNS Domain Naming SystemDOD 1. Department of Defense

2. Direct outward dialingDOJ Department of JusticeDOMS Distributed Object Management System (a.k.a. HD-DOMS,

from HyperDesk)DOS Disk Operating SystemDP Data processingdpi Dots per inchDPNSS Digital Private Network Signaling SystemDPP Distributed parallel processingDQDB Distributed Queue Dual BusDR Disaster recoveryDRAM Dynamic random-access memoryDRDA Distributed Relational Data ArchitectureDRG Diagnosis Related Group (classification methodology)DRM Distributed resource managementDRP 1. Distribution requirements planning

2. Disaster recovery planning3. Distribution Resource Planning (J.D. Edwards)

DRS Disaster Recovery Services (Comdisc)DS-0 (-1 etc.) Digital Signal Level 0 (Level 1)DSC 1. Digital selective calling

2. DSC Communications

Acronym Key


DSL Digital subscriber lineDSLAM Digital subscriber line access multiplexerDSLO Distributed Systems License OptionDSMPU DSP microprocessing unitDSOM Distributed System Object ModelDSP Digital signal processingDSS Decision support systemDSSI Digital Storage Systems InterconnectDSU Data service unitDTE Data terminal equipmentDTL Diode-transistor logicDTMF Dual-tone multifrequencyDTP 1. Desktop publishing

2. Distributed Transaction Processing (part of CICS)DTS Distributed time serviceDUOW Distributed Unit of Work (part of DRDA)DVD Digital video disc (a.k.a. digital versatile disc)DVI Digital Video InteractiveDWIM Do what I meanDXF Data exchange formatE-4GL Enterprise 4GLE-AD Enterprise ADEAI Enterprise application integrationEAM 1. Equipment asset management

2. Enterprise asset managementEAROM Electrically alterable ROMEAS Enterprise application solutionsEATE Electronic automatic test equipmentEBCDIC Extended Binary-Coded Decimal Interchange CodeEBPP Electronic bill presentment and paymentEC 1. Electronic commerce

2. European Community (now known as European Union)ECAD Electronic computer-aided designECAE Electronic computer-aided engineeringE-CASE Enterprise CASE

ECC 1. Error correction code2. Elliptical Curve Cryptography

ECD 1. Energy conversion device2. Electrochromeric display

ECL Emitter-coupled logicECMA European Computer Manufacturers AssociationECR Efficient consumer responseECU 1. European currency unit (now known as “euro”)

2. Engine control unitEDA 1. Electronic design automation

2. Embedded Document ArchitectureEDA/SQL Enterprise Data Access/Structured Query Language (from

Information Builders)EDI Electronic data interchangeEDIFACT Electronic Data Interchange for Administration, Commerce and

TransportationEDO Extended data out (memory)EDM Enterprise distribution managerEDP Electronic data processingEDS Electronic Data Systems (do not spell out in Gartner research)EEPROM Electronically erasable PROMe-ESP E-business external services providerEFT Electronic funds transferEFTA European Free Trade AssociationEFT/POS Electronic funds transfer/point of saleEGA Enhanced graphics adapterEHLLAPI Extended High-Level Language Application Programming

InterfaceEIA 1. Electronic Industries Association

2. Enterprise information architecture

E-IDE Extended Integrated Drive ElectronicsEIM Enterprise information managementEIS Executive information systemEISA Extended Industry Standard ArchitectureEJB Enterprise JavaBeans

Acronym Key


ELF Extremely low frequencyEMA 1. Electronic Messaging Association (formerly the Electronic

Mail Association)2. Enterprise Management Architecture

EMI Electromagnetic interferenceEMPI Enterprise master person indexEMR Electronic medical recordEMS 1. Expanded Memory Specification

2. Enterprise Messaging Server (from Microsoft)EMU Economic and monetary unionEOD End of dataEOF End of fileE-OO Enterprise OOE-OOA Enterprise OOAE-OOD Enterprise OODEOP End of partitionEOT End of tapeEPO Exclusive provider organizationEPP Enhanced parallel portEPROM Erasable programmable read-only memoryEPS 1. Encapsulated PostScript

2. Earnings per shareERD Entity relationship diagramERISA Employee Retirement Income Security ActERMES European Radio Message SystemERMS 1. E-mail response management system (generic term)

2. E-mail Relationship Management System (Brightware)ERP Enterprise resource planningERSO Electronics Research and Service OrganizationESA Enterprise Systems ArchitectureESCON Enterprise Systems ConnectionESD 1. Electronic software distribution

2. Electrostatic dischargeESDI Enhanced Small Device InterfaceESF Extended superframe format

ESOP Employee stock ownership planESP 1. External services provider

2. Enterprise server platformESPRIT European Strategic Program for R&D in Information

TechnologyESS 1. Electronic switching system

2. Enterprise scheduling systemETG 1. Episode Treatment Group (classification methodology)

2. European Telecommunications GroupETSI European Telecommunications Standards InstituteETT Extraction, transformation and transportEU European Union (formerly known as the European Community)EUC End-user computingEULA End-user license agreementEUT End-user trainingEVA Economic value addedEW 1. Electronic warfare

2. Early warning3. Electronic workplace

EWW Enterprisewide webFACNET Federal Acquisition Computer NetworkFAQ Frequently asked questionsFASB Financial Accounting Standards BoardFAST Fairchild Advanced Schottky TTLFAT File allocation tableFC Fibre ChannelFC-AL Fibre Channel-Arbitrated LoopFCC Federal Communications CommissionFCLC Fibre Channel Loop CommunityFCP Foundation for Cooperative ProcessingFCS First customer shipmentFDD Flexible disk driveFDDI Fiber Distributed Data InterfaceFDIC Federal Deposit Insurance CorporationFDM Frequency division multiplexing

Acronym Key


FDMA Frequency division multiple accessFEC Forward error correctionFECN Forward explicit congestion notificationFEDI Financial electronic data interchangeFEP Front-end processorFEPI Front-End Programming InterfaceFET Field effect transistorFFS Fee for serviceFFT Fast Fourier transformsFI Financial institutionFIFO first in, first outFIPS Federal Information Processing StandardFLOPS Floating-point operations per secondFM Frequency modulationFMV Fair market valueFOCA Font Object Content ArchitectureFORTRAN Formula TranslatorFPGA Field-programmable gate arrayFPLA Field-programmable logic arrayfps Frames per secondFPU Floating-point unitFRAD Frame relay assembler/disassemblerFRAM Ferroelectric random-access memoryFSP Financial services providerFT Fault toleranceFTAM File Transfer, Access and ManagementFTC Federal Trade CommissionFTE Full-time equivalentFTP File Transfer ProtocolFTPI Flux transitions per inchFUD Fear, uncertainty and doubtF-UNI Frame-User Network InterfaceFURPS Functionality, usability, reliability, performance, and supportF/V Frequency-to-voltage

FWA Fixed wireless accessG7 Group of Seven (countries)GA General availabilityGATT General Agreement on Tariffs and TradeGb GigabitGB GigabyteGCR Group code recordingGDDM Graphical Data Display ManagerGDMO Guidelines for the definition of managed objectsGDP Gross domestic productGDS Global directory serviceGEIS GE Information ServicesGEMMS Global Enterprise Manufacturing Management SystemGEO Geosynchronous earth orbitGFLOPS 1. Billion floating-point operations per second (if used with a

specific amount, e.g., 50 GFLOPS)2. Billions of floating-point operations per second (if usedwithout an amount, e.g., “performance measured in GFLOPS”)

GigaFLOPS (see GFLOPS)GIOP General Inter-ORB ProtocolGIPS Billion instructions per secondGIS Geographic information systemGMLC Graduated Monthly License ChargeGNP Gross national productGOCA Graphics Object Content ArchitectureGOSIP Government Open Systems Interconnection ProfileGPC General-purpose computerGPRS General Packet Radio ServiceGPS Global Positioning SystemGPWW Group practice without wallsGSA General Services AdministrationGSIC Graphics-specific integrated circuitGSM Global System for Mobile Communications (formerly Groupe

Speciale Mobile)GSP Graphics system processor

Acronym Key


GUI Graphical user interfaceHA High availabilityHACMP High Availability Clustered MultiprocessingHADA High-availability disk arrayHBA Host bus adapterHBT Heterojunction bipolar transistorHCFA Health Care Financing AdministrationHCO Healthcare organizationHDA Head disk assemblyHDCD High-density computer discHDD Hard disk driveHDL Hardware description languageHDLC High-level Data Link ControlHDM Hardware device moduleHDS Hitachi Data SystemsHDSL High-bit-rate digital subscriber lineHDTV High-definition televisionHEDIS Health Plan Employer Data and Information SetHF High frequencyHFC Hybrid fiber-coaxial (cable)HIAA Health Insurance Association of AmericaHIMSS Health Information Management and Systems SocietyHIN Healthcare information networkHIPAA Health Insurance Portability and Accountability ActHIPPI High-Performance Parallel InterfaceHL7 Health Level SevenHLL High-level languageHLLAPI High-Level Language Application Programming InterfaceHMMP Hypermedia Management ProtocolHMMS Hypermedia Management SchemaHMO Health maintenance organizationHMOM Hypermedia Object ManagerHP Hewlett-PackardHPC High-performance computing

HPCC High Performance Computing and Communications (federalprogram)

HPFS High Performance File System (OS/2)HPPA Hewlett-Packard Precision ArchitectureHP-UX Hewlett-Packard’s Unix-based operating systemHR Human resourcesHRM Human resource managementHRMS 1. Human resource management system (generic term)

2. Human Resource Management System (PeopleSoft)HSM 1. Hierarchical storage management (generic term)

2. Hierarchical Storage Manager (IBM; a.k.a. DFSMShsm)HSSI High-Speed Serial InterfaceHTML Hypertext Markup LanguageHTTP Hypertext Transport ProtocolHW HardwareHz HertzIAC Interapplication communicationIBI Information Builders Inc.IBM International Business Machines (do not spell out in Gartner

research)IBNR Incurred but not reportedIBU Independent business unitIC Integrated circuitICA 1. International Communications Association

2. Independent Computing Architecture (Citrix Systems)ICC IBM Credit Corp.ICE 1. Integrated computing environment

2. Information and Content ExchangeICMP Internet Control Message ProtocolICR Intelligent character recognitionIDA Intelligent drive arrayIDARS Integrated document archive and retrieval systemIDE 1. Integrated development environment

2. Integrated Drive ElectronicsIDEF Integrated Definition MethodologyIDL Interface definition language

Acronym Key


IDM Integrated document managementIDMS Integrated Database Management System (from CA; a.k.a. CA-

IDMS)IDNX Integrated Digital Network ExchangeIDOM Integrated document and output managementIDRC Improved Data Recording CapabilityIDSL ISDN digital subscriber lineIE Information engineeringIEC International Electrotechnical CommissionIEEE Institute of Electrical and Electronics EngineersIEF Information Engineering Facility (from Texas Instruments)IETF Internet Engineering Task ForceIEW Information Engineering Workbench (from KnowledgeWare)IFC Internet Foundation ClassesIGES Initial Graphics Exchange SpecificationIGFET Insulated-gate field effect transistorIGMP Internet Group Management ProtocolIGPT Insulated-gate bipolar transistorIIA Information Industry AssociationIIN IBM Information NetworkIIOP Internet Inter-ORB ProtocolIISP Interim Interswitch Signaling ProtocolILEC Incumbent LECIM Interactive marketingIMA Inverse multiplexing over ATMIMAP Internet Message Access ProtocolIMC Internet Marketing CouncilIMS Information Management SystemIMS/DB IMS/Database ManagerIMS/DC IMS/Data CommunicationIMS/ESA IMS/Enterprise Systems ArchitectureINEWS Integrated electronic warfare systemINMS Integrated network management systemINSA Integrated Network Services Architecture

INSM Integrated network and systems managementINTUG International Telecommunications Users GroupI/O Input/outputI2O Intelligent I/O

IOCA Image Object Content ArchitectureIOP Input/output processorIOS Integrated office systemIP Internet ProtocolIPA Independent physician associationIPC Interprocess communicationsIPCS Integrated PC serverIPDS Intelligent Printer Data StreamIPI Intelligent Peripheral InterfaceIPL Initial program loadIPO Initial public offeringIPV In-place valueIPX Internetwork Packet ExchangeIR InfraredIRDS Information Resource Dictionary SystemIRM Information resources managementIRQ Interrupt RequestIS Information systemsISA 1. Industry Standard Architecture

2. Instrument Society of AmericaISAM Indexed Sequential Access MethodISAPI Internet Server Application Programming Interface (Microsoft)ISDN Integrated Services Digital NetworkISL Interswitch linkISM Industrial, scientific and medicalISO International Standards Organization (a.k.a. International

Organization for Standardization)ISP Internet service providerISPBX Integrated services private branch exchangeISPF Interactive System Productivity Facility

Acronym Key


ISPF/PDF ISPF/Program Development FacilityISS Interactive selling systemISSC Integrated Systems Solutions Corp.ISUP ISDN User PartISV 1. Independent software vendor

2. If-sold valueIT Information technologyITA International Trade AdministrationITAA Information Technology Association of AmericaITIS Information technology integration servicesITO Information technology outsourcingITU International Telecommunication Union (formerly known as

CCITT)IVDT Integrated voice/data terminalIVDW Intelligent voice/data workstationIVHS Intelligent vehicle highway systemsIVR Interactive voice responseIWF Internetworking FunctionIWS Intelligent workstationIXC Interexchange carrierJ2EE Java 2 Enterprise EditionJ2ME Java 2 Millennium EditionJAD Joint applications developmentJAN Joint army and navyJBIG Joint Bitonal Image GroupJCAHO Joint Commission on Accreditation of Healthcare OrganizationsJCALS Joint Computer-aided Acquisition and Logistics SupportJDK Java Developer’s KitJCL 1. Job control language (generic term)

2. Job Control Language (part of MVS)JDBC Java Database ConnectivityJDE J.D. Edwards & Co.JEDEC Joint Electronics Device Engineering CouncilJEIDA Japan Electronic Industry Development AssociationJES Job Entry Subsystem (part of MVS)

JIDL Java Interface Definition LanguageJIT Just in timeJITT Just-in-time trainingJMAPI Java Management APIJMS Java Messaging ServiceJNDI Java Naming and Directory InterfaceJPEG Joint Photographic Experts GroupJROP Java Remote Object ProtocolJSP Java Server PageJTS Java Transaction ServiceJVM Java virtual machineJTAPI Java Telephony APIKb KilobitKB KilobyteKBMS Knowledge Base Management System (Trinzic product)Kbps Kilobits per secondKBS Knowledge-based systemsKHz KilohertzKIF Knowledge Interchange FormatKM Knowledge managementKPI Key performance indicatorKQML Knowledge-Based Query Manipulation LanguageKTS Key telephone systemLAM Line adapter moduleLAN Local-area networkLANDA Local Area Networks Dealers AssociationLANE Local-area network emulationLAP/M Link Access Procedure for ModemsLATA Local access and transport areaLAWN Local area wireless networkLBO Leveraged buyoutLCC Leadless chip carrierLCD Liquid crystal displayLDAP Lightweight Directory Access Protocol

Acronym Key


LDC Less-developed countryLDO Low dropoutLEC Local exchange carrierLED Light-emitting diodeLEO Low earth orbitLEW Logical early warningLHS Left-hand sideLIDM Line impact dot matrixLIFF Line impact fully formedLIFO Last in, first outLIMS Laboratory Information Management SystemLIS Laboratory information systemLISP List ProcessingLLNL Lawrence Livermore National LaboratoriesLMI Local Management InterfaceLNA Low-noise amplifierLNTT Line nonimpact thermal transferLOB Line of businessLOMS Logistics order management systemLOS Length of stayLP Load pointLRPC Lightweight RPCLSB Least significant bitLSI Large-scale integrationLSW Least significant wordLU Logical Unit (part of SNA)LU 6.2 Logical Unit 6.2LUN Logical unit numberM&A Mergers and acquisitionsMAC 1. Moves, adds and changes

2. Media Access Control (IEEE)3. Message authentication code

MAD Mass-access deviceMAN Metropolitan-area network

MAP Manufacturing Automation ProtocolMAP/TOP Manufacturing Automation Protocol/Technical Office ProtocolMAPI Messaging Application Programming Interface (from Microsoft)MAU Multistation access unitMb MegabitMB MegabyteMBE Molecular beam epitaxyMbps Megabits per secondMCA Micro Channel ArchitectureMCAD Mechanical computer-aided designMCAE Mechanical computer-aided engineeringMCM Multichip moduleMCO Managed care organizationMCP Microsoft Certified ProfessionalMCSE Microsoft Certified Systems EngineerMCU 1. Microcontroller unit

2. Multipoint control unit

MDA Monochrome Display AdapterMDDB Multidimensional databaseMDF 1. Multiple Domain Feature (from Amdahl)

2. Main distribution frameMDS Multipoint distribution systemMDT Mobile data terminalMegaFLOPS (see MFLOPS)MEO Middle earth orbitMES 1. Marketing encyclopedia system

2. Manufacturing execution systemMESFET Metal-etch semiconductor field-effect transistorMFLOPS 1. Million floating-point operations per second (if used with a

specific amount, e.g., 50 MFLOPS)2. Millions of floating-point operations per second (if usedwithout a specific amount, e.g., “performance measured inMFLOPS”)

MFM Modified frequency modulationMFS Metropolitan fiber system

Acronym Key


MHS 1. Message Handling System (X.400)2. Message Handling Service (Novell)

MHz MegahertzMIB Management Information Base (part of SNMP)MIC Microwave integrated circuitMICR Magnetic ink character recognitionMIDI Musical Instrument Digital InterfaceMIF Management Information FileMILNET Military networkMIL-SPEC Military specificationMIL-STD Military standardMIMD Multiple instruction, multiple dataMIME Multipurpose Internet Messaging ExtensionsMIMIC Millimeter-wave monolithic integrated circuitMIPS 1. Million instructions per second (if used with a specific

amount, e.g., 100 MIPS)2. Millions of instructions per second (if used without a specificamount, e.g., “performance measured in MIPS”)

MIS Management information systems (Obsolete; use IS instead)MITI Ministry of International Trade and IndustryMLC Monthly license chargeMM MultimediaMMCF Multimedia Communications ForumMMIC Microwave monolithic integrated circuitMML Mathematical Markup LanguageMMMC Minimum monthly maintenance chargeMMU Memory management unitMNP Microcom Networking ProtocolMO Magneto-optical (drives)MOCVD Metal organic chemical vapor depositionMO:DCA Mixed Object: Document Content ArchitectureMOF Ministry of FinanceMOM 1. Manufacturing operations management

2. Message-oriented middlewareMOS Metal-oxide semiconductor

MOSFET MOS field-effect transistorMOSP Multiple Operating System PR/SMMOSS MIME Object Security ServicesMOU Memorandum of understandingMP MultiprocessorMPC Massively parallel computerMPDSP Microprogrammable digital signal processingMPE Multiprogramming ExecutiveMPEG Motion Picture Experts GroupMPI Master person indexMPOA Multiprotocol Over ATMMPN Multiprotocol networkMPP Massively parallel processingMPPC Multipurpose parallel computingMPPL Multipurpose Processing LanguageMPPP Multilink Point-to-Point ProtocolMPR MicroperipheralMPS Master production schedulingMPU Microprocessing unitMQI Message Queue Interface (from IBM)MR MagnetoresistiveMRP Material requirements planningMRP II Manufacturing resource planningMS MicrosoftMSA Metropolitan statistical areaMSB Most significant bitMSCS Microsoft Cluster ServerMS-DOS Microsoft DOSMSE Midsize enterpriseMSMQ Microsoft Message Queuing serverMSN Microsoft networkMSNF Multisystem Networking FacilityMSO Management service organizationMSP Management service provider

Acronym Key


MSS Multiprotocol switched servicesMSW Most significant wordMTA 1. Message transfer agent

2. Metropolitan trading areaMTBDU Mean time between data unavailabilityMTBE Mean time between errorsMTBF Mean time between failuresMTD Marketing transaction databaseMTS 1. Microsoft Transaction Server

2. Mobile telephone serviceMTTI Mean time to installMTTR Mean time to repairMUI Multimodal user interfaceMULC Measured Usage License ChargeMVC Multiport video controllerMVS Multiple Virtual StorageMVS/ESA MVS/Enterprise System ArchitectureMW MiddlewareNA 1. Not available

2. Not applicableNACD National Association of Computer DealersNACHA National Automated Clearing House AssociationNAFTA North American Free Trade AgreementNAP Network access pointNAS 1. Network Applications Support

2. NetWare Access ServerNASA National Aeronautics and Space AdministrationNASD 1. Network-attached storage device

2. National Association of Securities DealersNATA North American Telecommunications AssociationNC Network computerNCA Network Computing ArchitectureNCD Network computing deviceNCF Network Computing FrameworkNCI Network Computing Infrastructures

NCGA National Computer Graphics AssociationNCP Network Control Program (a.k.a. ACF/NCP)NCQA National Committee for Quality AssuranceNCR National Cash RegisterNCS 1. Network Computing System (from HP)

2. National Communications SystemNCSC National Computer Security CenterNDF Network dynamic functionalityNDS NetWare Directory ServicesNEDA National Electronic Distribution AssociationN.E.T. Network Equipment TechnologiesNetBIOS Network Basic Input/Output SystemNFS Network File SystemNIC 1. Network interface card

2. Network information centerNIH Not invented hereNiMH Nickel metal hydrideNIS Network information serviceN-ISDN Narrowband ISDNNIST National Institute of Standards and TechnologyNLO Net-liberated organizationNLQ Near-letter qualityNLM NetWare Loadable ModuleNLS 1. National language support

2. Network licensing serverNLU Natural-language understandingNM Not meaningfulNMF Network Management ForumNMI Nonmaskable interruptNMOS N-channel metal-oxide semiconductorNMR Nuclear magnetic resonanceNMS Network management systemNMT Nordic Mobile TelephoneNMVT Network management vector tablesNNTP Network News Transfer Protocol

Acronym Key


NOS Network operating systemN-PCS Narrowband PCSNPSI NCP Packet Switching InterfaceNPV Net present valueNRE Nonrecurring engineeringNRZ Non-return-to-zeroNSAPI Netscape Application Programming InterfaceNSF 1. National Science Foundation

2. Notes Storage Format3. National Standard Format

NSM Network and systems managementNSP Network service providerNSTL National Software Testing LabNT New TechnologyNTAS NT Advanced ServerNTS NT ServerNTSC National Television Standards CommitteeNTT Nippon Telephone and TelegraphNTW NT WorkstationNV NetViewNVRAM Nonvolatile RAMNYSE New York Stock ExchangeOBS Organization breakdown structureOCA Object Content ArchitectureOCE Open Collaboration Environment (Note: The correct term is

Apple Open Collaboration Environment, or AOCE)OCR 1. Optical character recognition

2. Optical character readerOCS 1. Open control system (an individual system)

2. Open control systems (the technology in general)OCX OLE Custom ControlsODA Open Document ArchitectureODBC Open Database ConnectivityODBMS Object-oriented database management system (a.k.a. OODBMS)ODD Optical disk drive

ODIF Open Document Interchange FormatODMA Open Document Management APIODMG Object Database Management GroupODS Open Digital StudioODT Open Desktop (from Santa Cruz Operation)OEC Organization for Economic CooperationOECD Organization for Economic Cooperation and DevelopmentOEM Original equipment manufacturerOEMI Original Equipment Manufacturer InterfaceOIG Open Interoperability GroupOIS Office information systemOLAP Online analytical processingOLB Online bankingOLCP Online complex processingOLE Object Linking and Embedding (Microsoft)OLTP Online transaction processingOMF 1. Open Media Framework (Avid Technology)

2. Object Management Framework (DME)OMG Object Management GroupOMR Optical mark recognitionOMS Opportunity management systemONA Open Network Architecture (from the FCC)ONC Open Network Computing (from Sun)ONP Open network provisionOO 1. Object orientation (n.)

2. Object-oriented (adj.)

OOA Object-oriented analysisOOD Object-oriented designOODBMS Object-oriented database management system (also known as

ODBMS)OOP Object-oriented programmingOOPL Object-oriented programming languageOOT Object-oriented technologyOPEC Organization of Petroleum Exporting Countries

Acronym Key


ORD Order management systemORB Object request brokerOS Operating systemOS/2 Operating System/2OS/2 EE OS/2 Extended EditionOSF Open Software Foundation (now obsolete — use The Open

Group instead)OSHA Occupational Safety and Health AdministrationOSI Open Systems InterconnectionOSIS Operating-system-independent serverOSI TP OSI Transaction ProcessingOSM Operating-system service moduleOSPF Open shortest path firstOSQL Object SQL (from Hewlett-Packard)OT Object technologyOTC 1. One-Time Charge (IBM)

2. Orders to cashOTM Object transaction monitorOTP One-time programmableOV OpenViewPA Precision Architecture (Hewlett-Packard)PABX Private automatic branch exchangePACS Picture archiving and communication systemPAD Packet assembler/disassemblerPAL Programmable array logicPAM Pulse amplitude modulationPARC Palo Alto Research Center (Xerox)PA-RISC Precision Architecture Reduced Instruction Set ComputerPBA Production business applicationPBX Private branch exchangePC Personal computerPCA Personal communications assistantPCB Printed circuit boardPCI Peripheral component interconnect

PCL Printer Control LanguagePCM 1. Plug-compatible manufacturer

2. Pulse code modulationPCMCIA Personal Computer Memory Card Industry Association (Note:

The standard is now known as PC Card, not PCMCIA)PCN Personal communications networkPCO Physician contracting organizationPCP Primary care physicianPCS 1. Personal communications services

2. Personal Conferencing SpecificationPCTE Portable Common Tool EnvironmentPDA Personal digital assistantPDN Public Data NetworkPDES Product Data Exchange SpecificationPDL Page description languagePDM Product data managementPDP Parallel distributed processingPE Phase encodingPEM Privacy-enhanced mailPERT Program Evaluation and Review TechniquePFM Personal financial managerPGP Pretty Good PrivacyPGS Proposal generation systemPGA Pin grid arrayPHIGS Programmers’ Hierarchical Interactive Graphics StandardPHO Physician hospital organizationPIC Programmable interrupt controllerPIF Program information filePIM 1. Personal information manager (the device)

2. Personal information management (the technology)PIN Processor Independent NetWarePIX Private Internet ExchangePIT Programmable interval timePKI Public key infrastructurePL/1 Programming Language 1

Acronym Key


PLA Programmable logic arrayPLC Programmable logic controllerplc Public limited companyPLD Programmable logic devicePLL Phase-locked loopPL/SQL Programming Language/SQLPM 1. Presentation Manager

2. Project managementPMD Programmable multilevel logic devicePMMU Paged memory management unitPMOS P-channel metal-oxide semiconductorPMPM Per member per monthPMPY Per member per yearPMR 1. Projection microradiography

2. Private mobile radioPNNI Private network-to-network interfacePNPP Page, nonimpact, plain paperPO Purchase orderPOE Physician order entry systemPOP 1. Point of presence

2. Post Office Protocol

POS 1. Point of service2. Point of sale

POST Power-on self testPOTS Plain old telephone servicePOWER Performance Optimized With Enhanced RISC (IBM)PPA Personal productivity applicationPPC Plain-paper copierPPMC Physician practice management companyPPMS Physician practice management systemPPO Preferred provider organizationPPP Point-to-Point ProtocolPQS Parallel Query ServerPRA Primary Rate Access (known as PRI in U.S.)

PRC People’s Republic of ChinaPREP PowerPC Reference PlatformPRI Primary Rate Interface (known as PRA in Canada and Europe)PROFS Professional Office SystemPROM Programmable read-only memoryPR/SM Processor Resources/Systems ManagerPSA Professional Services AdministrationPSAP Public service answering pointPSF Print services facilityPSK Phase shift keyingPSLC Parallel Sysplex License ChargePSTN Public switched telephone networkPTOCA Presentation Text Object Content ArchitecturePTS 1. Parallel Transaction Server

2. Personal telecommunications servicePTT Postal, telegraph and telephonePU Physical UnitPVC Permanent virtual circuitPVD Physical vapor depositionPWB Printed wiring boardPWBA Printed wiring board assemblyPwC PricewaterhouseCoopersQA Quality assuranceQAM Quadrature amplitude modulationQA/QC Quality assurance/quality controlQBE Query by exampleQC Quality controlQCIC Quad Channel I/O ControllerQEMM Quarterdeck Extended Memory ManagementQFA Quick file accessQIC Quarter-inch cartridgeQMF Query Management FacilityQOS Quality of serviceQSAM Queued Sequential Access Method

Acronym Key


RACE R&D for Advanced Communications in EuropeRACF Resource Access Control FacilityRAD Rapid applications developmentRAID Redundant array of independent disksRAM Random-access memoryRAS 1. Reliability, availability and serviceability

2. Remote-access server3. Research and Advisory Services (Gartner)

RAW Read after writeRBOC Regional Bell operating companyRBRS Resource-based relative value scaleRCC Radio common carrierR&D Research and developmentRDA Remote Data AccessRdb Relational DatabaseRDBMS Relational database management systemRDD Rigid disk driveRDLAP Radio Data Link Access ProtocolRDM 1. Remote data management

2. Relational Document Manager (Interleaf)RDS Report distribution systemREOS Real-Time Electronic Online SystemRF Radio frequencyRFC Request for commentRFI 1. Request for information

2. Retail financial institution3. Radio frequency interface

RFP Request for proposalRFQ Request for quotationRFT Request for technologyRHC Regional holding companyRHIN Regional healthcare information networkRHS Right-hand sideRIM Research in Motion

RIP 1. Raster image processor2. Routing Information Protocol (TCP/IP)

RIS Radiology information systemRISC Reduced instruction set computerRJE Remote job entryRLL Run length limitedRMF Resource Measurement Facility (IBM)RMI 1. Remote Message Interface

2. Remote method invocationRMON Remote MonitoringRMS Record Management System (VMS)ROA Return on assetsROC Republic of China (Taiwan)ROE 1. Return on equity

2. Rest of EuropeROI Return on investmentROM Read-only memoryROT Return on technologyROW Rest of worldRPC Remote procedure callRPG Report Program GeneratorRPO Recovery point objectiveRSA Rivest-Shamir-AdelmanRSNA Radiological Society of North AmericaRSVP Resource Reservation ProtocolRTCP Real-Time Control ProtocolRTO Recovery time objectiveRTP Rapid thermal processingRTR Reliable Transaction RouterRUB Regional User Briefing (a Gartner-sponsored event)RUOW Remote unit of workRWR Read while writeS3 1. Stand-alone shared storage

2. S3 (San Jose, Calif.)SAA Systems Application Architecture

Acronym Key


SAD Slow applications developmentSAG SQL Access GroupSAM Software asset managementSAN Storage area networkSAPI Speech Application Programming Interface (Microsoft)SAS Sales administration systemSASD Server-attached storage deviceSASI Shugart Associates Standard InterfaceSBA Shared buffer architectureSCADA Supervisory control and data acquisitionSCC Specialized common carrierSCM 1. Software change management

2. Supply chain managementSCR Sustained Cell RateSCO The Santa Cruz OperationSCP 1. Supply chain planning

2. Service control pointSCS Sales configuration systemSCSI Small Computer Systems InterfaceSD Service deskSDH Synchronous Digital HierarchySDI Strategic Defense InitiativeSDIO Strategic Defense Initiative OfficeSDK 1. Software development kit (generic term)

2. Software Development Kit (Microsoft)SDLC Synchronous Data Link ControlSDSL Symmetric digital subscriber lineSEI Software Engineering InstituteSEL Secure Electronic TransactionsSEM Scanning electron microscopeSES Sales emulation systemSET Secure Electronic TransactionsSFA Sales force automationSFDSP Special-function digital signal processingSFM Scanning force microscope

SFS Structured File Server (Transarc)SG&A Selling, general and administrativeSGI Silicon Graphics Inc.SGML Standard Generalized Markup LanguageSI 1. Systems integration

2. Systems integratorSIA Semiconductor Industry AssociationSIC Standard Industrial CodeSIFF Serial, impact, fully formedSIM Subscriber Identity ModuleSIMD 1. Single instruction, multiple data

2. Serial, impact, dot matrixSIMM Single in-line memory moduleSINO Sun, IBM, Netscape, OracleSIO Serial input/outputSIS Sales intelligence systemSITA Societe Internationale de Telecommunications AeronautiquesSKU Stock-keeping unitSLA Service-level agreementSLC Subscriber loop carrierSLI System-level integrationSLIC System-licensed internal codeSLIP Serial Line Internet ProtocolSMB 1. Small and midsize business

2. Server Message BlockSMDS Switched Multimegabit Data ServiceSME Small and midsize enterprisesSMIL Synchronized Multimedia Integration LanguageSMP Symmetric multiprocessingSMR Special mobile radioSMS 1. System-managed storage

2. Storage Management Subsystem (IBM)3. Short Message Service or Short Messaging Service4. Systems Management Server (Microsoft)

SMT Service mount technology

Acronym Key


SMTP Simple Mail Transfer ProtocolSNA Systems Network ArchitectureSNADS SNA Distribution ServicesSNF Skilled nursing facilitySNI Siemens Nixdorf InformationssystemeSNIG Serial, nonimpact, inkjetSNMP Simple Network Management ProtocolSNOMED Systematized Nomenclature of Human and Veterinary MedicineSNTT Serial, nonimpact, thermal transferSOAP Simple Object Access ProtocolSODA Services-oriented development of applicationsSOG Small-outline gull-wingSOHO Small office/home officeSOJ Small-outline J-headSOM System Object ModelSONET Synchronous Optical NetworkSOS Silicon on sapphireSPARC Scalable Processor ArchitectureSPC Statistical process controlSPEC System Performance Evaluation CooperativeSPECfp SPEC floating point (benchmark)SPECint SPEC integer (benchmark)SPX Sequenced Packet ExchangeSQC Statistical quality controlSQL Structured Query LanguageSQL/DS SQL/Data SystemSRM System Resource ManagerSR Source RouteSRT Source Route TransparentSS6 (7, etc.) Signaling System 6 (7, etc.)SSA Serial Storage ArchitectureSSD Solid-state diskSSEM System and Server Evaluation ModelSSI Supplemental Security Income

SSL Secure Sockets LayerSSRP Simple Server Redundancy ProtocolST Synchronous transportSTAIRS Storage and Information Retrieval SystemSTEP Standard for the Exchange of Product Model DataSTDM Statistical time division multiplexingSTK Storage Technology (a.k.a. StorageTek)STM Synchronous transfer modeSTN Super twisted nematicSTP 1. Signal transfer point

2. Shielded twisted pair (wiring)StP Software through Pictures (Interactive Development

Environments)STS Sales training systemSTTL Schottky transistor-transistor logicSTU Secure telephone unitSVC Switched virtual circuitSVGA Super Video Graphics ArraySVID System V Interface DefinitionSVR4 System V release 4SVVS System V Verification SuiteSW SoftwareS.W.I.F.T. Society for Worldwide Interbank Financial TelecommunicationSWOT Strength, weakness, opportunity, threatSWV Sampled write verifyTA 1. Telecommunications administration

2. Terminal adapterTAB Tape-automated bondingTACS Total access communications systemTAM Total available marketTAPI Telephony Application Programming InterfaceTAS Telephone answering serviceT&C Terms and conditionsTCA Telecommunications AssociationTCF Transparent Computing Facility

Acronym Key


TCO Total cost of ownershipTCP Transmission Control ProtocolTCP/IP Transmission Control Protocol/Internet ProtocolTCU Transitional care unitTDD Time division duplexTDM Time division multiplexingTDMA Time division multiple accessTEB Technology-enabled buyingTEFRA Tax Equity and Fiscal Responsibility ActTEM Technology-enabled marketTeraFLOPS (see TFLOPS)TERM Technology-enabled relationship managementTES Technology-enabled sellingTFLOPS 1. Trillion floating-point operations per second (if used with a

specific amount, e.g., 50 TFLOPS)2. Trillions of floating-point operations per second (if usedwithout a specific amount, e.g., “performance measured inTFLOPS”)

TFT Thin film transistorTHF Time horizon to failureTIB The Information BusTLM Technical license managementTI Texas InstrumentsTIFF Tag Image File FormatTLCCC Trust, location, choice, cost, convenienceTLM Technical license managementT&M Time and materialsTMC Thinking Machines Corp.TME Tivoli Management EnvironmentTMN Telecommunications management networkTN Twisted nematicTOA Technical office automationTOP Technical Office ProtocolTP Transaction processingTPA Third-party administrator

TPC Transaction Processing Performance CouncilTPC-A Transaction Processing Performance Council Benchmark ATPF Transaction Processing FacilityTPM Third-party maintenancetpm Transactions per minuteTPP Third-party participanttps Transactions per secondTQM Total quality managementTRN Token Ring NetworkTSAPI Telephony Services Application Programming InterfaceTSO Time-Sharing OptionTSO/E Time-Sharing Option/ExtendedTSR Terminate and stay residentTSS Team selling systemTT Trouble ticketTSTN Triple super twisted nematicTTL Transistor-transistor logicTUA Telecommunications Users AssociationTUI Telephony user interfaceTV TelevisionUAN Universal area networkUART Universal asynchronous receiver/transmitterUBC-92 Uniform Billing Code of 1992UCC Uniform Code CouncilUCR Usual and customary ratesUDB Universal DatabaseUDF User-defined functionsUDP User Datagram ProtocolUHC United HealthCare Corp.UHF Ultrahigh frequencyUI 1. User interface

2. Unix InternationalULSI Ultra-large-scale integrationUMA Unified Memory Architecture

Acronym Key


UMB Upper memory blockUML Unified Modeling LanguageUMTS Universal Mobile Telecommunications SystemUNE Unbundled network elementsUNI User-to-network interfaceUNO Universal Networked ObjectUPS Uninterrupted power supplyUR Utilization reviewURL Uniform resource locatorUSART Universal synchronous/asynchronous receiver/transmitterUSB Universal Serial BusUSL Unix System LaboratoriesUSPS United States Postal ServiceUSS Unassisted selling systemUSTA United States Telephone AssociationUTP Unshielded twisted-pair (cable)UTS Universal Time-sharing SystemUV UltravioletVAC Volts alternating currentVAD Value-added distributorVAM Vendors Against MicrosoftVAN Value-added networkVANS Value-added network distributorVAR Value-added resellerVAT Value-added taxVAX Virtual Address ExtensionVB Virtual BasicVBR Virtual bit rateVC Virtual circuitVCR Videocassette recorderVDSL Very-high-bit-rate digital subscriber lineVDT Video display terminalVDU Visual display unitVESA Video Electronics Standards Association

VF 1. Voice frequency2. Vector Facility (IBM)

VGA Video Graphics ArrayVHDFDD Very high density flexible disk driveVHDL VHSIC Hardware Description LanguageVHF Very high frequencyVHS Video Home SystemVHSIC Very High Speed Integrated Circuit (U.S. Defense Department

program)VIE Virtually integrated enterpriseVIDA VAX/IBM Data AccessVIM Vendor Independent MessagingVIS Voice information servicesVLAN Virtual local-area networkVLDB Very large databaseVLF Very low frequencyVLIW Very long instruction wordVLSI Very large-scale integrationVLSIC Very large-scale integrated circuitVM 1. Virtual Machine (the operating system)

2. Virtual machine (generic Java term)VMA Voice Mail AssociationVM/CP Voice messaging/call processingVMS 1. Virtual Memory System

2. Voice messaging systemVOFR Voice over frame relayVoIP Voice over IPVoPN Voice over Packet NetworkVPA Volume purchase agreementVPN Virtual private networkVRAM Video RAMVRML Virtual Reality Modeling LanguageVR Virtual realityVRU Voice response unitVSAM Virtual Storage Access Method

Acronym Key

Main Menu Previous Page

VSAT Very small aperture terminalVSE Virtual Storage ExtendedVTAM Virtual Telecommunications Access Method (also known as

ACF/VTAM)VTOA Voice telephony over ATMVTOC Volume table of contentsVUP VAX unit of performanceW3C World Wide Web ConsortiumW-4GL Workgroup 4GLWABI Windows Application Binary InterfaceW-AD Workgroup ADWAE Wireless Application Environment (part of WAP)WAN Wide-area networkWAP Wireless Application ProtocolWARC World Administrative Radio ConferenceWATS Wide-area telephone serviceWBEM Web-Based Enterprise ManagementWBS Work breakdown structureWDP Wireless Datagram Protocol (part of WAP)WEDI Workgroup for Electronic Data InterchangeWfMC Workflow Management CoalitionWIMPS Windows, icons, menus, pointers, scroll barsWIP 1. Work in progress

2. Windows Interface ProtocolWLAN Wireless local-area networkWML Wireless Markup Language (part of WAP)WORA Write once, run anywhereWORM Write once, read manyWOSA Windows Open Services ArchitectureWP Word processingwpm Words per minuteWSI Wafer scale integrationWSP Wireless Session Protocol (part of WAP)WSTS World Semiconductor Trade Statistics

WTA Wireless Telephony Application (part of WAP)WTLS Wireless Transport Layer Security (part of WAP)WTP Wireless Transaction Protocol (part of WAP)WWW World Wide WebWYSIWYG What you see is what you getXA Extended ArchitectureXAPI X.400 Application Programming InterfaceXAPIA X.400 API AssociationxDSL Generic digital subscriber line (encompasses ADSL and SDSL)XHTML Extensible HTMLXICS Xerox Integrated Composition SystemXIP Execute in placeXML Extensible Markup LanguageXMP Cross-management platformXNS Xerox Network SystemXPAF Xerox Printer Access FacilityXPE Cross-platform environmentXPG X/Open Portability GuideXPG3 X/Open Portability Guide release 3XPG4 X/Open Portability Guide release 4XRF Extended Recovery FacilityXSL Extensible Stylesheet LanguageXTI X/Open Transport InterfaceY2K Year 2000YE Year-endYTD Year-to-dateZAK Zero Administration KitZAW Zero Administration for WindowsZIF Zero insertion forceZIP 1. Zigzag in-line package (chip packaged

2. Zone Improvement Program (postal code)

Documents

A/ftp.it.murdoch.edu.au/units/ICT523/Gartner_acrokey.pdf · compiler validation capability AD Applications development A/ D Analog-to-digital ADA Americans with Disabilities Act ADC