Acronyms - A through C
EDA, Incorporated
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Acronyms - A through C EDA, Incorporated |
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Join the
A
A-D Analog to Digital
AA Author's Alteration
AA Auto Answer
AAL5 ATM Adaption Layer 5
ABEND Abnormal End
ABI Application Binary Interface
ABR Available Bit Rate
AC97 Audio Codec 97
ACB Access method Control Block
ACDS Active Control Data Set
ACE Asynchronous Communications Element
ACF Advanced Communication Facility
ACIA Asynchronous Communications Interface Adapter
ACK Acknowledge
ACS Asynchronous Connection Server
ACS Automatic Class Selection
ACSE Application Control Service Element
ACT Application Control Table
ACU Automatic Calling Unit
ADC Analog Digital Converter
ADDMD Administrative Directory Management Domain
ADMD Administrative Management Domain
ADO ActiveX Data Object
ADSL Asymetric Digital Subscriber Line
AEA Activity End Acknowledge
AEI Application Entity Invocation
AF Application Framework
AFP Advanced Function Printing
AGP Accellerated Graphics Port
AGS Advanced Graphics System
AI Artificial Intelligence
AIU Application Interface Unit
AIX Advanced Interactive eXecutive
AIX Alternate IndeX
ALGOL ALGOrithmic Language
ALS Application Layer Structure
ALS Automatic Line Switching
ALT Application Load Table
ALU Arithmetic and Logic Unit
AM Access Method
AMH Automated Material Handling
AMI Alternate Mark Inversion
AMIS Audio Messaging Interchange Specification
AMR Audio Modem Riser
AMS Access Method Services
ANR Automatic Network Routing
ANS Advanced Network Services
ANSI American National Standards Institute
AOCE Apple Open Collaboration Environment
AOW Asian and Oceanic Workshop for open systems
AP Access Point
AP Automation Protocol
APA All Points Addressable
APDU Application Protocol Data Unit
API Application Programming Interface
APIA API Association
APL A Programming Language
APPC Advanced Program-to-Program Communication
APPI Advanced Peer-to-Peer Internetwork(ing)
APPN Advanced Peer-to-Peer Network(ing)
APS Advanced Production System
AR Attention Routine
ARP Address Resolution Protocol
ARPA Advanced Research Projects Agency
ARPANET Advanced Research Projects Agency Network
ARU Audio Response Unit
AS Activity Start
AS Autonomous System
ASC Accredited Standards Committee
ASCII American Standard Code for Information Interchange
ASE Application Service Element
ASIC Application-Specific Integrated Circuit
ASN Abstract Syntax Notation
ASN.1 Abstract Syntax Notation One
ASO Application Service Object
ASR Automatic Speech Recognition;
ASTs Asynchronous System Traps;
AT Advanced Technology;
ATM Adobe Type Manager;
ATM Asynchronous Transfer Mode;
ATM Automatic Teller Machine
ATMP Ascend Tunnel Management Protocol
ATSF Alert Transport Service Facility
AU Access Unit
AVR Automatic Volume Recognition
AWG American Wire Gauge
B
B8ZS Binary Eight Zero Substitution
BABT British Approvals Board for Telecommunications
BAL Business Application Language
BAM Basic Access Methods
BAS Basic Activity Subset
BASH Bourne-Again SHell
BASIC Beginners All-Purpose Symbolic Instruktion Code
BBS Bulletin Board System
BCC Block Check Character
BCD Binary Coded Decimal
BCF Bridge Control Facility
BCPL Basic Combined Programming Language
BCS Basic Catalog Structure
BCS Basic Combined Subset
BDAM Basic Direct Access Method
BDR Basic Density Range
BEL Bell
BER Bit Error Rate
BES Bursty Errored Seconds
BG BackGround
BHT Branch History Table
BIOS Basic Input/Output System
BIS Business Information System
BISYNC Binary Synchronous Communication
BIT Binary Digit
BITNIC Bitnet Network Information Center
BLOB Binary Large Object
BMIC Bus Master Interface Controller
BMP BitMaP
BMS Basic Mapping Support
BNN Boundary Network Node
BOC Bell Operating Companies
BOT Begin Of Tape
BP Base Pointer
BPAM Basic Partitioned Access Method
BPI Bytes Per Inch
BPS Bites Per Second
BRA Basic Rate Access
BRI Basic Rate Interface
BS Backspace / British Standard
BSA Basic Service Area
BSAM Basic Sequential Access Method
BSC Binary Synchronous Communication
BSD Berkeley Software Distribution
BSDS BootStrap Data Set
BSI British Standards Institute
BSS Basic Synchronous Subset
BTAC Branch Target Address Cache
BTAM Basic Teleprocessing Access Method
BTA-ES Basic Teleprocessing Access Method - Extended Storage
BYP Bypass
C
CA Collision Avoidance
CA... Computer Aided ...
CAA Computer Aided Architecture
CAD Computer Aided Design
CADD Computer Aided Design and Drafting
CADIS Computer Aided Design Interactive System
CAE Common Application Environment
CAE Computer Assisted Education, Computer Aided Engineering = CAD + CAP + CAQ
CAH Computer Aided Handling
CAI Computer Aided Instruction = CIM + CAO
CAISE Computer Aided Integrated Software Engineering
CALS Computer Aided Acquisition and Logistic Support
CAM Computer Aided Manufacturing / Content Adressable Memory
CAMAC Computer Automated MeAsurement Control
CAN Cancel
CAO Computer Aided Office
CAP Computer Aided Planning / Computer Aided Publishing
CAPP Computer Aided Production Planning
CAPPC Computer Aided Production Planning and Control
CAPSC Computer Aided Production Scheduling and Control
CAQ Computer Aided Quality Assurance
CAR Computer Aided Roboting
CAR Computer Assisted Radiology
CAS Computer Aided Selling
CASE Common Application Service Elements
CASE Computer Aided Software-Engineering
CAT Computer Aided Testing
CATV CAble TeleVision
CBDS Connectionless Broadband Data Service
CBEMA Computer and Business Equipment Manufacturers' Association
CBR Constant Bit Rate
CBT Computer Based Training
CCD Charge-Coupled Device
CCETT Centre Commun d'Etudes de Telediffusion et Telecommunications
CCIR International Radio Consultative Committee
CCITT Comite Consultatif International Telegraphique et Telephonique
CCR Committment, Concurrency and Recovery
CCS Common Communication Support
CCTA Central Computer and Telecommunications Agency
CCU Communication Control Unit
CCW Channel Command Word
CD Collision Detection
CD Compact Disk
CDB Command Descriptor Block
CDC Century Date Change
CDDA Compact Disk - Digital Audio
CDDI Copper Data Distribution Interface
CDE Common Desktop Environment
CDG Compact Disk - Graphic
CDI Compact Disk Interactive
CDMA Code Division Multiple Access
CDPD Cellular Digital Packet Data
CDR Copy Density Range
CDROM Compact Disk ROM
CDTV Commodore Total Vision
CDXA Copmact Disk eXtended Architecture
CEC Commission of European Communities
CEFIC Conseil Européen des Federations de l'Industrie Chimique
CELP Code Excited Linear Prediction
CEN Comité Européen de Normalisation
CENELEC Comité Européen de Normalisation Electrotechnique
CEO Comprehensive Electronic Office
CEPT Conference Européenne des Administrations des Postes et des Telecommunications
CERN Conseil Européen pour la Recherche Nucléaire
CF Call Forwarding
CF Carry Flag
CF Control Function
CFV Call For Votes
CGA Colour Graphics Adapter
CGI Common Gateway Interface
CGI Computer Graphics Interface
CGM Computer Graphics Metafile
CHAP Challenge-Handshake Authentication Protocol
CHL-I CHanneL Interface
CHPID CHannel Path IDentifier
CI Computer Interconnect
CI Control Interval
CIAM Computer Integrated and Automated Manufacturing
CIB Computer Integrated Business
CICS Customer Information Control System
CID Configuration, Installation and Distribution
CIF Cells In Frames
CIF Common Intermediate Format
CIF Computer Integrated Factory = CIO + CIM
CIM Computer Input by Microfilm
CIM Computer Integrated Manufacturing = PPS + CAE + CAM
CIO Computer Integrated Office
CIR Committed Information Rate
CIS Card Information Structure
CISC Complex (Complete) Instruction Set Computer
CIT Computer Integrated Telephony
CIV Conversation Verb Interface
CKD Count Key Data
CL Core Image Library
CL Connectionless
CLI Call Level Interface
CLIM Compaq/Lotus/Intel/Microsoft
CLNS Connectionless Network Service
CM/2 Communication Manager / 2
CMC Communication Management Configuration
CMEA Council for Mutual Economic Assistance
CMIP Common Management Information Protocol
CMIS Common Management Information Service
CMOS Cellular Management Operation System
CMOS Complimentary Metal Oxide Semiconductor
CMOT Common Management Information Protocol (CMOT) Over TCP/IP
CMR Communications Resource Manager
CMS Conversational Monitor System
CMYK Cyan, Magenta, Yellow, Black
CN Corporate Network
CNC Computerized Numerical Control
CNLP Connectionless Network Protocol
CNM Communication Network Management
CNMA Communication Network for Manufacturing Applications
CNR Carrier-to-Noise-Ratio
COBOL COmmon Business Oriented Language
COCOM Coordinating Comittee on Multilateral Export Controls
CODASYL COnference on DAta SYstems Languages Codec Coder/Decoder
COFF Common Object File Format
COM Common Object Model
COM Computer Output on Microfilm
COMAL COMmon Algorithmic Language
COMREG Communication Region
CONS Connection-Oriented Network Service
CORBA Common Object Request Broker Architecture
COS Corporation for Open Systems
COSE Common Open Software Environment
COSINE Cooperation for OSI Networking in Europe
COSS Cross Operating System Service CP Control Program
CP-SVR Control Point to Server
CP/M Control Program/Monitor (for Microcomputer)
CPE Customer Premises Equipment
CPI Characters Per Inch
CPI Common Programming Interface
CPI Computer to PABX Interface
CPIC Common Programming Interface for Communications
CPL Current Privilege Level
CPR Computerized Patient Record
CPS Characters Per Second
CPU Central Processing Unit
CR Carriage Return
CR Communication Region
CRC Cyclic Redundancy Check
CRJE Conversational Remote Job Entry
CRS Computer Reservation System
CRS Configuration Report Server
CRT Cathode Ray Tube
CS Communications Server
CSA Common System Area
CSC Cross System Consistency
CSDN Circuit Switched Data Network
CSECT Control Section
CSI Consolidated Software Inventory
CSLIP Compressed SLIP CSMA/CA Carrier Sense Multiple Access with Collision Avoidance
CSMA/CD Carrier Sense Multiple Access with Collision Detection
CSP Control Sequence Prefix
CSP Cross System Product
CSPDN Circuit Switched Public Data Network
CST Computer Supported Telephony
CSU Channel Service Unit
CSU/DSU Channel Service Unit / Data Service Unit CT Continuous Tone
CT2T Continuous Tone To Tape
CTC Channel To Channel
CTC CICS To CICS
CTS Clear To Send
CTS Conformance Test System
CTS-WAN Conformance Testing Services for WAN
CU Control Unit
CUA Common User Access
CUT Control Unit Terminal
CVOL Control VOLume
CWS Coalition for Working Systems
D
D/A Digital/Analog
DA Desk Accessory
DAC Digital Analog Converter
DAC Dual Attachment Concentrator
DAI Distributed Artificial Intelligence
DAM Direct Access Method
DAP Directory Access Protocol
DAP Document Application Profile
DARPA Defense Advanced Research Projects Agency
DAS Dual Attachment Station
DASD Direct Access Storage Device
DAT Digital Audio Tape
DAT Dynamic Address Translation
DB Database
DBCS Double Byte Character Set
DBMS DataBase Management System
DBRT Directed Beam Refresh Terminal
DC Data Cartridge
DC Data Communication
DCA Document Content Architecture
DCAF Distributed Console Access Facility
DCB Data Control Block
DCB Disk Coprocessor Board
DCC Diskette Controller Chip
DCE Data Circuit terminating Equipment
DCE Data Communications Equipment
DCE Distributed Computing Environment
DCI Display Control Interface
DCL Digital Command Language
DCS Desktop Color Separation
DCT Destination Control Table
DCT Discrete Cosine Transform
DD Data Definition
DDCMP Digital Data Communications Message Protocol
DDCS Distributed Database Connecion Services/2
DDE Dynamic Data Exchange
DDES Digital Data Exchange Specifications
DDI Device Driver Interface
DDK Driver Development Kit
DDL Data Definition Language
DDL Document Description Language
DDM Distributed Data Management
DDN Defense Data Network
DDP Distributed Data Processing
DDRM Device driver interface/Driver kernel interface Reference Manual
DDS Dataphone Digital Service
DDS Decision Support System
DECT Digital European Cordless Telephone
DECUS Digital Equipment Computer Users Society
DEL Delete
DES Data Encryption Standard
DF Direction Flag
DFC Distributed Coordination Function
DFDSS Data Facility Data Set Services
DFHSM Data Facility Hierarchical Storage Manager
DFP Data Facility Product
DFR Document Filing and Retrival
DFS Distributed File System
DFSMS Data Facility Storage Management Subsystem
DFSORT Data Facility Sort
DFT Distributed Function Terminal
DFWMAC Distributed Foundation Wireless Media Access Control
DHCP Dynamic Host Configuration Protocol
DIA Document Interchange Architecture
DIB Data Input Bus DIB Device Independent Bitmap
DIFS Distributed coordination function InterFrame Space
DIMM Dual Inline Memory Module DIP Dual Inline Package
DIS Draft International Standard
DISSOS Distributed Office Support System
DIT Directory Information Tree
DKI Driver Kernel Interface
DL Data Length
DL Directory Listing
DL/1 Data Language 1
DLBL Disk Label
DLCI Data Linc Connection Identifier
DLE Data Link Escape
DLL Dynamic Link Library
DLS Device Level Selection
DLSE Device Level Selection Enhanced
DLSw Data Link Switching
DLUR Dependent LU Requester
DLUR/S Dependent LU Requester / Server
DLUS Dependent LU Server
DMA Direct Memory Access
DMCI Direct Memory Communications Interface
DMD Directory Management Domain
DMI Digital Multiplexed Interface
DML Data(base) Manipulation Language
DMNL Direct Multi Network Link
DMP Dot Matrix Printer
DN Distinguished Name
DNA Digital Network Architecture
DNS Domain Name Service
DOC Display Operator Console
DOE Distributed Objects Everywhere
DOMF Distributed Object Management Facility
DOS Declaration Of Support
DOS Disk Operating System
DOS/VS Disk Operating System / Virtual Storage
DOS/VSE Disk Operating System / Virtual Storage Extended
DP Data Processing
DP Draft Proposal
DPA Document Printing Application
DPF Data Private Facility
DPI Dots Per Inch
DPL Descriptor Privilege Level
DPMS Display Power Management Signaling
DPS Dynamic Path Selection
DQDB Distributed Queue Dual Bus
DRAM Dynamic Random Access Memory
DRQ Data ReQuest
DS Digit Select
DS Directory System
DSA Directory System Agent
DSA Distributed Systems Architecture
DSA Dynamic Storage Area
DSF Device Support Facility
DSL Direct Swift Link
DSN DataSetName
DSN Distributed Systems Network
DSNL Direct Swift Network Link
DSOM Distributed System Object Model
DSP Digital Signal Processor
DSP Directory System Protocol
DSR Data Set Ready
DSSI Digital Storage Systems Interconnect
DSU Data Service Unit
DTAM Document Transfer, Access and Manipulation
DTD Document Type Definition
DTE Data Terminal Equipment
DTI Department of Trade and Industry (UK)
DTP DeskTop Publishing
DTR Data Terminal Ready DU Data Unit
DUA Directory User Agent
DUN Dispatch Unit Number
DVI Digital Video Interface
DVST Direct View Bistable Storage
DXI Data eXchange Interface
E
E1 2,048 Mbps
E3 34 Mbps
EARN European Academic and Research Network
EB Error Bell
EB ExaByte (1,152,921,504,606846,976 bytes)
EBAM Electronic Beam-Addressable Memory
EBCD Extended Binary Coded Decimal
EBCDIC Extended Binary Coded Decimal Interchange Code
ECC Error Checking and Correction
ECC Error Correction Code
ECE Economic Commission for Europe
ECF Enhanced Connectivity Facility
ECITC European Committee fo IT Testing and Certification
ECKD Extended Count-Key Data
ECMA European Computer Manufacturers Association
ECTUA European Counsil for Telecommunications Users Association
EDC Enterprise Database Connectivity
EDF Execution Diagnostic Facility
EDG Electronic Dot Generation
EDI Electronic Data Interchange
EDICON EDI Community for the Construction Industry (UK)
EDIF Electronic Design Interchange Format
EDIFACT Electronic Data Interchange For Administration, Commerce and Transport
EDIM Electronic Data Interchange Message
EDIMS EDI Messaging System
EDM Engineering Data Management
EDP Electronic Data Processing
EDR Early Device Release
EEMA European Electronic Mail Association
EFT Electronic Funds Transfer
EGA Enhanced Graphics Adapter
EGP Exterior Gateway Protocol
EHLLAPI Emulator High Level Language Applications Programming Interface
EIB Execute Interface Block
EIP Execute Interface Program
EISA Extended Industry Standard Architecture
EIT Encoding Information Type
EIUF European ISDN User Forum
ELAN European LAN
ELAN Extended LAN ELAN Emulated LAN EM End of Medium EMA Enterprise Management Architecture EMS Expanded Memory Specification EMUG European MAP Users Group EN European Norme ENE Enterprise Network Event ENP Enable Presentation ENQ Enquiry EO Eight Ones EOB End of Block EOC End of Cylinder EOF End of File EOJ End of Job EOP End of Procedure EOT End of Transmission EOV End of Volume EP Emulation Program EPDE Electronic Product Data Exchange EPOW Emergency Power Off Warning EPROM Eraseable Programable Read Only Memory EPS Encapsulated PostScript EPSF Encapsulated PostScript Format ER Entity Relationship ERDS Error Recording Data Set EREP Environmental Record Editing and Printing program ES Errored Second ESA Extended Service Area ESC Escape ESCON Enterprise System Connection Architecture ESD Electronic Software Distribution ESD External Symbol Dictionary ESDI Enhanced Small Device Interface ESDS Entry Sequenced Data Set ESF Extended SuperFrame ESPRIT European Strategic Programme for Research and development in Information Technology ESQA Extended System Queue Area ETB End of Transmission Block ETCOM European Testing and Certification for Office and Manufacturing protocols ETS European Telecommunication Standard ETSI European Telecommunication Standards Institute ETX End of Text EUnet European Unix Network EUUG European Unix User Group EVI EVent Information EWOS European Workshop for Open Systems EXCP EXecute Channel Program EZ Excessive Zeros
F F/STP Foil STP FA Foreign Agent FAQ Frequently Asked Questions FAST Federation Against Software Theft FAT File Allocation Table FBA Fix Block Architecture FBA Fixed Blocked ANSI-defined printer control characters FBM Fix Block Modus FC File Control FCB Format Control Buffer FCP File Control Program FCS Frame-Check Sequence FCT File Control Table FDD Fixed Disk Drive FDDI Fiber Distributed Data Interface FEAL Fast Data Encipherment Algorithm FEP Front-End Processor FF Formfeed FH Frame Handler FIFO First In, First Out FIPS Federal Information Processing Standard FLOPS Floating-point operations per second FMLI Forms and Menu Language Interpreter FOB Form Overlay Buffer FOND Font family descriptor FORTRAN FORmula TRANslator FPU Floating Point Unit FRAD Frame Relay Access Device FROM Factory ROM FRU Field Replaceable Unit FS Field Separator FS File Separator FSB Front Side Bus FSF Free Software Foundation FSK Frequency Shift Keying FT Fault Tolerant FTAM File Transfer and Access Method FTP File Transfer Protocol FTP Foil Twisted Pair FTTC Fibre To The Curb FTTH Fibre To The Home FTTP Fibre To The Building FUP Funktionsplan
G GAL Global Address List GATF Graphic Arts Technical Foundation GB GigaByte (1,073,741,824 bytes) GCR Group Coded Recording GDG Generation Data Group GDS Global Directory Service GDT Global Descriptor Table GDTR Global Descriptor Table Register GE Graphic Escape GETVIS GET VIrtual Storage GID Group ID GIF Graphics Interchange Format GIS Generalized Information System GIX Global Internet Exchange GKS Graphical Kernel System GML Generalized Markup Language GOSIP Government OSI Profile GP General Protection GPIB General-Purpose Interface Bus GRS Global Resource Serialization GS Group Separator GTF Generalized Trace Facility GUI Graphical User Interface GUIP Graphical User Interface for Blind people GUUG German Unix User Group
H H&J Hyphenation and Justification HA Home Address HA Host Agent HADA High Availability Disk Array HCL Hue, Chroma, and Luminance HDA Head-Disk Assembl HDBV Host Data Base View HDLC High Level Data Link Communications HDSL High-bit rate Digital Subscriber Loop HDTV High Definition TV HE High End (system) HGC Hercules Graphics Card HIC Host Interface Computer HLL High Level Language HLS Hue-Lightness-Saturation HMD Head-Mounted Display HMMP HyperMedia Management Protocol HMMS HyperMedia Management Schema HPCL Hewlett-Packard Control Language HPFS High Performance File System HPGL Hewlett-Packard Graphical Language HPR High Performance Routing HR Horizontal Rule HSB Hue-saturation-brightness HSELAN High Speed ELAN HSI Hue-Saturation-Intensity HSLAN High Speed LAN HSSI High Speed Serial Interface HSV Hue-Saturation-Value HT Horizontal Tab HTML Hypertext Markup Language HTTP Hypertext Transfer Protocol Hz Hertz
I I-Net Intranet I/O Input/Output I/O Input/Output IA5 International Alphabet Five IAB Internet Activities Board IC Integrated Circuit ICEM Integrated Computer Engineering and Manufacturing ICMP Internet Control Message Protocol ID Identifier IDA Indirect Data Addressing IDA Intelligent Drive Array IDE Integrated Drive Electronics IDEA International Data Encryption Algorithm IDL Interfacce Definition Language IDT Interrupt Descriptor Table IEC InterExchange Carrier IEEE Institute of Electrical and Electronic Engineers IETF Internet Engineering Task Force IF Interrupt Flag IFF Interchange File Format IFIP International Federation of Information Processing IFS Interchange File Separator IFS InterFrame Space IGES Initial Graphics Exchange Specification IGMP Internet Group Membership Protocol IGS Interchange Group Separator II Interactive Interface IISP Interim Interswitch Signaling Protocol IKT Informatione- und Kommunikationstechnik ILC InterLanguage Communication IML Initial Microcode Load IMPL Initial Microprogram Load IMR Interrupt Mask Registers IMS Information Management System IMS/VS Information Management System / Virtual Storage INP Inhibit Presentation INT INTerrupt IOC ISDN Ordering Code IOCP Input/Output Configuration Program IOCS Input/Output Control System IOGEN Input/Output device GENeration IOPL Input/Output Privilege Level IOS Input/Output Supervisor IP Internet Protocol IPL Initial Program Load IPM InterPersonal Message IPSE Integrated Project Support Environment IPX Internet Packet Exchange IR Index Return IRC Internet Relay Chat IRDS Information Resource Dictionary System IRQ Interrupt ReQuest IRS Interchange Recors Separator IS Information System IS Intermediate System IS International Standard ISA Industry Standard Architecture ISAM Indexed Sequential Access Method ISDN Integrated Services Digital Network ISFMS Indexed Sequential File Management System ISMF Interactive Storage Management Facility ISO International Standardization Organisation ISO IEC ISO International Electrotechnical Commitee ISODE ISO Development Environment ISP Internet Service Provider ISPF Interactive System Produvtivity Facility ISPF/PDF ISPF Program Development Facility ISR Information Storage and Retrieval ISR Intermediate Session Routing ISSE Intel SIMD Sreaming Extension ISV Independent Software Vendor IT Indent Tab ITB Intermediate Transmission Block ITLD International Top-Level Domain ITRC Information Technology Requirements Council ITU International Comunication Union (ehem. CCITT) ITV Interactive TeleVision IUS Interchange Unit Separator IWS Intelligent WorkStation
J JCC Job Control Command JCL Job Control Language JCS Job Control Statement JCT JES Control Table JCT Journal Control Table JECL Job Entry Control Language JEIDA Japan Electronics Industry Development Association JES Job Entry Subsystem JPEG Joint Photographic Experts Group
K K Kilobyte KB KiloByte (1,024 Bytes) KBPS KiloBits Per Second kHz KiloHertz KIP Kinetics Internet Protocol KIPS Kilo Instructions per second KL Key Length KOPS Kilo Operations per second KSDS Key Sequenced Data Set KVA KiloVolt Ampere
L L2F Layer 2 Forwarding L2TP Layer 2 Tunneling Protocol LAN Local Area Network LAPS LAN Adapter Protocol Support Program LBL Label LCD Liquid Crystal Display LCS Lotus Communication Server LDAP Lightweight Directory Access Protocol LDMF Librarian Disc Master File LDS Linear Data Set LDT Local Descriptor Table LE Low End (system) LEC LAN Emulation Client LEC Local Exchange Carrier LED Light Emitting Diode LF Linefeed LIC Line Interface Computer LIFO Last In, First Out LILO Last In, Last Out LILO Linux Loader LIM-EMS Lotus Intel Microsoft EMS LIOCS Logical Input/Output Control System LISP List Programming LLC2 Logical Link Control Layer 2 LOC Lines Of Code LOS Local Operator System LPI Lines Per Inch LRC Longitudinal Redundancy Checking LRU Least Recently Used LSD Least Significant Digit LSI Large Scale Integration -> VLSI LU Logical Unit LUB Logical Unit Block LUT Look Up Table LVT Light Valve Technology LW Line Work LZ Lempel-Ziv LZW Lempel-Ziv-Welch
M MAC Media Access Control MAN Metropolitan Area Network MAP Maintenance Analysis Procedure MAP Manufacturing Automation Protocol MAPI Messaging Applications Programming Interface MB MegaByte (1,048,576 bytes) MBCS Multiple Byte Character Set MBONE Multicast Backbone MBPS MegaBits Per Second MCA Micro Channel Architecture MCBF Mean Cycles Between Failures MCCOI Multimedia Communications Community of Interest MCGA MultiColour Graphics Array MCI Media Control Interface MD Management Domain MD5 Message Digest 5 MDA Monochrome Display Adapter MEB Memory Expansion Board MFA Modify Field Attribute MFC Microsoft Foundation Classes MFKS Multifunktionales Konferenzsystem MFLOPS Million Floating-Point Operations Per Second MFM Modified Frequency Modulation MFV Multi File Volume MFWS MultiFunction WorkStation MGA Monochrome Graphic Adapter MH Mobile Host MHS Message Handling System MI Multiple Inheritance MIB Management Information Database MICR Magnetic Ink Character Reader MIDI Musical Instrument Digital Interface MIME Multipurpose Internet Mail Extensions MIPS Millions of Instructions Per Second MISC Minimum Instruction Set Computer -> CISC, RISC MLPPP MultiLink PPP MMDF Multi-Channel Memorandum Distribution Facility MMDS Multi-Megabit Data Services MMFS Manufacturing Manage Format Standard MMX Multi Media eXtensions MNP Microcom Network Protocol MODEM MOdulator/DEModulator MOPS Mega Operations per second MOTIS Message-Oriented Text Interchange Systems MP Multiprocessing MPC Multimedia PC MPEG Motion Picture Experts Group MPOA MultiProtocol Over Asynchronous transfer mode MPSD MultiPath Storage Director MPX multiplex MS Message Store MS-DOS Microsoft Disk Operating System MSA Metropolitan Statistical Area MSD Most Significant Digit MSG Message MSM MultiSession Monitor MSW Machine Status Word MTA Message Transfer Agent MTBF MeanTime Between Failures MTDA Mean Time Data Availability MTS Message Transfer System MUD Multi-User Dungeon MULTICS MULTiplexed Information and Computing Service MUMPS Massachusetts General Hospital Utility Multi-Programmings System MUMPS Multi-User Multi-ProgrammingSystem MVS Multiple Virtual System MVS/ESA Multiple Virtual System / Extended System Architecture MVS/XA Multiple Virtual System / Extended Architecture MVSCP MVS Configuration Program
N NAC Network Adapter Card NAK Negative Acknowledgement NAP Network Access Point NAS Network Access Server NAT Network Address Translation NAU Network Addressable Unit NBS National Bureau of Standards NBS Numeric BackSpace NC Numeric Control NCCF Network Communication Control Facility NCP Network Control Processor NCP Network Control Program NCP/VS Network Control Program/Virtual Storage NDIS Network Driver Interface Specification NetSP Network Security Program NFNT New font numbering table NFS Network File System NHRP Next Hop Routing Protocol NIC Network Interface Card NIC Network Information Center NIS Network Information Service NIST National Institute for Standards and Technology NJE Network Job Entry NL New Line NLQ Near Letter Quality NLT Nucleus Load Table NMI NonMaskable Interrupt NNTP Network News Transport Protocol NSA National Security Agency NSC1 Network Systems Cypher One NSP Numeric Space NSS NATURAL Security-System NT Network Termination NTS/2 Network Transport Services/2 NTSC National Television System Committee NUI Network User Identification NUL Null NUMA Non-Uniform Memory Access NVOD Near Video On Demand NVRAM NonVolatile Random Access Memory NVS NonVolatile Storage
O O/R Originator / Recipient OC3 155 Mbit/s OCR Optical Character Recognition OCX OLE Control Extension ODA Open Document Architecture ODSI Open Directory Service Interfaces OEM Original Equipment Manufacturer OI Object Interface OLE Object Linking and Embedding OLTEP On-Line Test Executive Program OLTP On-Line Transaction Processing OMG Object Management Group OMR Optical Mark Recognition OO Objektorientierung OOA Objektorientierte Analyse OODBMS Object Oriented DBMS OOP Objektorientierte Programmierung OOPL Object Oriented Programming Language OOPS Object Oriented Programming System OP Operator Panel OPI Open Prepress Interface ORB Object Request Broker OS Operating System OS/2 Operating System/2 OSA Office Systems Architecture OSA Open System Architecture OSF Open Software Foundation OSI Open Systems Interconnection OSI/RM OSI Reference Model OSNS Open Systems Network Support OSPF Open Shortest Path First OSTC Open System Testing Consortium OTPROM One Time Programable ROM OWL Object Windows Library
P PABX Private Automatic Branch Exchange PAD Packet Assembly Disassembly PAL Phase Alternating Line PAL Programmable Array Logic PAM Partitioned Access Method PAP Password Authentication Protocol PB PetaByte (1,125,899,906,842,624 bytes) PBX Private Branch Exchange PC Personal Computer PC Personal Computing PC Program Control PCB Printed Circuit Board PCB Program Control Block PCI Peripheral Component Interface PCI Program Controlled Interuption PCIL Private Core Image Library PCL Printer Control Language PCM Plug Compatible Manufacturers PCMCIA Personal Computer Memory Card International Association PCN Personal Communication Network PCP Program Control Program PCS Personal Communication Services PCT Private Communication Technology PCT Program Control Table PD Public Domain PDA Personal Digital Assistant PDAD Proposed Draft Addendum PDAU Physical Data Access Unit PDF Program Development Facility PDL Page Description Language PDO Portable Distributed Objects PDS Partitioned Data Set PDS Premise Distribution System PDS Processor Direct Slot PDU Protocol Data Unit PDX Printer Description Extension PE Printer's error PE Protection Enabled PEARL Processor and Experiment Automation Realtime Language PEM Privacy Enhanced Mail PEP Partitioned Emulation Program PER Program Event Recording PERL Practical Extraction and Report language PF Parity Flag PFK Program Function Key(board) PFM Printer Font Metric PGA Professional graphics adapter PGP Pretty Good Privacy PIB Program Information Block PID Process ID PIFS Point InterFrame Space PIM Personal Information Management PIN Personal Identification Number PIOCS Physical Input/Output Control System PL Procedure Library PL/1 Programming Language 1 PLI Programming Language 1 PLPA Pageable Link Pack Area PLT Program List Table PLU Primary Logical Unit PMMU Paged memory management unit PMS Pantone Matching System PMS Project Management System PMT Photomechanical Transfer (photostat) PMT Photomultiplier Tube PNNI Private Network-to-Network Interface POC Program-Operator Communication POP Point Of Presence POP Post Office Protocol POSIX Portable Operating System Interface for UNIX POTS Plain Old Telephone System POWER Priority Output Writer, Execution processors and input Readers PP Presentation Position PPD PostScript Printer Description PPGA Plastic Pin Grid Array PPM Pages Per Minute PPP Point-to-Point Protocol PPT Processing Program Table PPTP Point-to-Point Tunneling Protocol PPV Pay Per View PRDMD Private Directory Management Domain PRL Private Relocatable Library PRMD Private Management Domain PROM Programable Read Only Memory PSB Program Specification Block PSDN Packet Swiched Data Network PSRAM Pseudo SRAM PSSL Private Source Statement Library PSTN Public Swiched Telephone Network PSW Program Status Word PTF Program Temporary Fix PTR PoinTeR PU Physical Unit PUB Physical Unit Block PVC Permanent Virtual Circuit PVP Packet Video Processor PWB Printed Wire Board PWS Programmable WorkStation
Q QAM Quadrature Amplitude Modulation QBE Query By Example QCIF Quater Common Intermediate Format QIC Quarter-Inch Cartridge QSAM Queued Sequential Access Method QTAM Queued Teleprocessing Access Method
R R0 Record zero RACF Resource Access Control Facility RAID Redundant Array of Inexpensive Disks RAID Redundant Array of Independent Disks RAM Random Access Memory RARP Reverse Address Resolution Protocol RBA Relative Byte Adresse RC Robot Control RCP Remote Communication Processor RCS Revision Control System RDA Remote Data Access RDBMS Relational DataBase Management System RDN Relative Distinguished Name RES Restore RF Resume Flag RFC Request For Comments RFF Required Form Feed RFS Remote File System RGB Red, Green, Blue RGM Red, Green, Blue (Monitor) RIFF Resource Interchange File Format RIP Raster Image Processor RIP Router Information Protocol RISC Reduced Instruction Set Computer RJE Remote Job Entry RL Relocatable Library RLD Relocation Dictionary RLE Run Length Encoded file RLL Run Length Limited RMF Resource Management Facility RNL Required New Line ROM Read Only Memory RPC Remote Procedure Call RPG Report Program Generator RPL Requestor's Privilege Level RPL Research Programming Language RPM Revolutions Per Minute RPS Rotational Position Sensing RPT Repeat RRDS Relative Record Data Set RRED Right Reading Emulsion Down RREU Right Reading Emulsion Up RS Record Separator RSP Required Space RSVP Resource Reservation Protocol RTC Real Time Clock RTCP Realtime Transport Control Protocol RTF Rich Text Format RTM/SF Realtime Monitor / Systems Facility RTP Realtime Transport Protocol RTSE Reliable Transfer Service Element RWSI Remote Workstation Interface
S S.W.I.F.T. Society for Worldwide Interbank Financial Telecommunication S/STP Shielded STP SA Set Attribute SAA Storage Accounting Area SAA System Application Architecture SAM Sequential Access Method SAP Service Access Point SAP Service Advertising Protocol SAR Segmentation And Reassembly SBCS Single Byte Character Set SBS Subscript SC Storage Control SCA Shared Control Array SCCS Source Code Control System SCDS Source Control Data Set SCI Scalable Coherent Interconnect SCODL Scanned Conversion Object Description Language SCP Storage Control Program SCP System Control Program SCRAM Static Column Random Access Memory SCSI Small Computer Systems Interface SDH Synchronous Digital Hierarchy SDK Software Development Kit SDL System Directory List SDLC Synchronous Data Link Control SDRAM Synchronous DRAM SDSF System Display and Search Facility SE Software Entwicklung SE System Engineer SECC Single Edge Contact Connector SECAM Sequential Couleur a'Memorie SEL Select SEPP Single Edge Processor Package SET Software-Engineering-Technology SF Sign Flag SF Support Facility SFA Salesforce Automation SFBI Shared Frame Buffer Interconnect SFE Start Field Extended SFT System Fault Tolerance SFTP Shielded Foil Twisted Pair SGML Standard Generalized Markup Language SHTTP Secure HTTP SHY Syllable Hyphen SI Shift In SI Single Inheritance SI Standard Interface SIFS Short InterFrame Space SIFT Stanford Information Filtering Tool SIG Special Interest Group SIM Service Information Message SIMD Single Instruction Multiple Data SIMM Single In-line Memory Module SIRDS Single Image Random Dot Stereogram SIT System Initialization Table SL Source Statement Library SLD Structured Logic Design SLED Single Large Expensive Disk SLIP Serial Line Internet Protocol SLR Service Level Reporter SLU Secondary Logical Unit SM Set Mode SMDS Switched Multimegabit Data Service SMF System Management Facility SML MVS Storage Management Library SMLI Stateful MultiLayer Inspection SMP Symetric MultiProcessing SMP System Modification Program SMS Storage Management Subsystem SMTP Simple Mail Transfer Protocol SNA System Network Architecture SNADS SNA Distribution Services SNMP Simple Network Management Protocol SNOBOL String Oriented Symbolic Language SNT Sign-On Table SO Shift Out SOD Service On Demand SOH Start Of Heading SOM System Object Model SOS Start Of Significance SP Space SPA Software Publishers Association SPARC Scalar Processor ARChitecture SPDU Session Protocol Data Unit SPM System Performance Monitor/2 SPOOL Simultaneous Peripheral Operations On Line SPP Scalable Parallel Processing SPS Superscript SPX Sequenced Packet eXchange SQL Structured Query Language SQL/DS Structured Query Language / Data System SRAM Static Random Access Memory SRT System Recovery Table SRU Shared Resource Unit SS Single Sided SS Stack Segment SSCP System Service Control Point SSID SubSystem IDentifier SSL Secure Socket Layer STM Synchronous Transfer Mode STP Shielded Twisted Pair STT Secure Transaction Technology STX Start of Text SUB Substitute SV Storage Violation SVA Shared Virtual Area SVC Supervisor Call SVC Switched Virtual Circuit SVGA Super-VGA SW Switch SWOP Specifications for Web Offset Printing SYN Synchronous Idle SYSOP System Operator
T T1 1.544 Mbit/s T3 45 Mbit/s TARGA Truevision Advanced Raster Graphics Adapter TB TeraByte (1,099,511,627,776 bytes) TC Terminal Control TCA Task Control Area TCAM Telecommunications Access Method TCB Task Control Block TCL Tool Command Language TCM Thermal Conduction Module TCO Triple Capacity Option TCP Terminal Control Program TCP/IP Transmission Control Protocol/Internet Protocol TCT Terminal Control Table TCTTE Terminal Control Table Terminal Entry TCU Transmission Control Unit TD Transient Data TDIA Transient Data Input Area TDM Time-Division Multiplexing TDOA Transient Data Output Area TDP Transient Data Program TEO Technical Electronic Office TF Trap Flag TIC Technical Integrity Check TIFF Tagged Image File Format TIOA Terminal Input/Output Area TLB Translation Lookaside Buffer TLBL Tape Label TMO Thermo-Magneto-Optic technology TNEF Transport-Neutral Encapsulation Format TOC Table Of Contents TOP Technical Office Protocol TPDU Transport Protocol Data Unit TPF Transaction Processing Facility TPI Tracks Per Inch TPM Third-Party Maintenance TPS Transactions Per Second TRN Transparent TS Telecommunication System TS Temporary Storage TSIOA Temporary Storage Input/Output Area TSO Time Sharing Option TSP Temporary Storage Program TSR Terminate and Stay Resident TTA Teletex Attachment (Teletexzusatz) TTL Transistor Transistor Logic TTR Track Record TTY TeleTYpe TWA Transaction Work Area TWA Two-Way Alternate TWS Two-Way Simultaneous TX Telex TXT Text
U UA User Agent UAE Unrecoverable Application error UART Universal Asynchronous Receiver/Transmitter UBR Undefined Bit Rate UBS Unit Backspace UCB Unit Control Block UCR Undercolor removal UCS Universal Character Set UCSB Universal Character Set Buffer UCW Unit Control Word UDP User Datagram Protocol UI User Interface UID User ID UMB Upper Memory Block UNC Universal Naming Convention UNC Universal Network Convention UPC Universal Product Code UPS Uninterruptible Power Supply UPSI User Program Switch Indicator UR Unit Record URL Uniform Resource Locator US Unit Separator USART Universal Synchronous/Asynchronous Receiver/Transmitter USENET USEr NETwork USM UnSharp Masking USRT Universal Synchronous Receiver/Transmitter USV Unterbrechungsfreie StromVersorgung UTP Unshielded Twisted Pair UUCP Unix-to-Unix Copy Program
V VAD Value Added Dealer VAN Value Added Network VAP Value Added Process VAR Value Added Reseller VAST Virtual Archive Storage Technology VB Visual Basic VBA Visual Basic for Applications VBR Variable Bit Rate VBN Vermitteltes Breitbandnetz VC Virtual Circuit VC-SDRAM Virtual Channel SDRAM VCC Virtual Circuit Connection VCI Virtual Circuit Identifier VCNA Vtam Communication Network Application VCPI Virtual Control Program Interface VDAC Video Digital Analog Converter VDI Video Display Interface VDT Video Display Terminal VDU Visual Display Unit VERONICA Very Easy Rodent-Oriented Netwide Index to Computerized Archives VGA Video Graphics Array VGC Video Graphics Controller VGM Video Graphics Monitor VHDSL Very High-bit rate Digital Subscriber Loop VHLL Very High-Level Language VHS Video Home System VIO Video Input/Output VIO Virtual Input/Output VIPA Virtual IP Addressing VLAN Virtual LAN VLSI Very Large Scale Integration VM Virtual Machine VM/SP Virtual Machine / System Product VMMAP VM Monitor Analysis Program VMOS Vertical MOS VMPPF VM Performance Planning Facility VMPRF VM Performance Reporting Facility VMS Virtual Management System VOD Video On Demand VPD Vital Product Data VPDN Virtual Private Data Network VPI Virtual Path Identifier VPN Virtual Private Network VR Virtual Reality VRAM Video RAM VRML Virtual Reality Modeling Language VRC Vertical Redundancy Checking VS Virtual Storage VSAM Virtual Storage Access Method VSAT Very Small Aperture Terminal VSM Virtual Storage Management VSN Volume Serial Number VT Vertical Tab VTAM Virtual Telecommunications Access Method VTOC Volume Table of Contents VTP Virtual Terminal Protocol VTP Virtual Terminal Program VTX VideoTeXt VVDS VSAM Volume Data Set
W W3 World Wide Web W4WG Windows for Workgroups WABI Windows Application Binary Interface WAIS Wide Area Information Service WAN Wide Area Network WATM Wireless ATM WATS Wide Area Telecommunications Service WHAT Wireless Hybrid Asynchronous Time-bounded WIMP Windows, Icons, Mice and Pointers WINS Windows Internet Name Service WMAC Wireless Media Access Control WMF Windows metafile WORM Write Once, Read Many times WOSA Windows Open Services/Systems Architecture WRED Wrong Reading Emulsion Down WREU Wrong Reading Emulsion Up WS WorkStation WTO Write To Operator WUS Word Underscore WWW World Wide Web WXTRN Weak External Reference WYSIWYG What You See Is What You Get
X XA EXtended Architecture XIP Execute In Place XLT Transaction List Table XMS Extended Memory Specification XT eXtended Technology
Y Y2K Year 2000 YIQ (color components in NTSC color space) YUV (color components in SECAM and PAL color spaces)
Z ZBR Zero Bug Release ZD Zero Defects ZF Zero Flag
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EDA, Incorporated aspires to be the engineering leader in providing safe, reliable and economical solutions to challenging problems.
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