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Definitions  |
| INDEX A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| ABI | Application Binary
Interface
|
| ACIA | Asynchronous Communications Interface Adapter |
| ACM | Association for Computing Machinery |
| AEC | Architecture, Engineering, Construction |
| AFP | AppleTalk Filing Protocol |
| AI | Artificial Intelligence
Term used to describe wide range of computer applications that duplicate some aspect of human intelligence. |
| AIX | Advanced Interactive eXecutive (IBM's version of Unix) |
| ANSI | American
National Standards Institute.
An organization responsible for approving U.S standards in many industries including computers and communication. |
| AOCE | Apple Open Collaborative Environment |
| API | Application
Programming Interface / Interface
API
A set of callable routines that a programmer uses to interact with an application |
| APL | A Programming Language |
| APPC | Advanced Program-to-Program Communications (IBM) |
| APPN | Advanced Peer-to-Peer Networking (IBM) |
| APSE | Ada Programming Support Environment |
| ARA | AppleTalk Remote Access |
| ARM | Advanced RISC machine; Asynchronous Response Mode |
| ASCII | American Standard Code for
Infromation Interchange.
A standard character to number encoding system widely used in the computer industry. |
| ASIC | Application-Specific Integrated Circuit |
| ASMP | Asymmetric Multiprocessing |
| ASPI | Advanced SCSI Programming
Interface
Software interface between SCSI device drivers and the SCSI interface card. Designed to increase compatibility between SCSI devices and computers. |
| ATM | Asynchronous Transfer Mode
/ Mode ATM
|
| ATP | AppleTalk Transaction Protocol |
| GO BACK TO THE INDEX | |
| AUI | Attachement Unit Interface
Refers to 15-pin D connectors associated with Ethernet transceivers. |
| A/UX | Apple's version of Unix |
| AVI | Audio Video Interleave (Microsoft) |
| BBLT | Bus Block Transfer |
| BBS | Bulletin Board Service
/ Serveur BBS (babillard)
A computer service that allows users to post messages or download information. |
| BCD | Binary-Coded Decimal |
| BDOS | Basic Disk Operating System |
| BIOS | Basic Input / Output System |
| BISDN | Broadband ISDN |
| BITBLT | Bit Block Transfer |
| BLMC | Buried Logic Macrocell |
| BLOb | Binary Large Object |
| GO BACK TO THE INDEX | |
| BNC | A connector for coaxial cables |
| Bps | Bytes per second.
A measure of the actual data transmission rate, used mostly to measure modem data transfer rate. |
| BSD | Berkeley Software Distribution
A version of UNIX that was developed at the university of California at Berkeley. |
| CACP | Central Arbitration Control Point |
| CAD | Computer-Aided Design |
| CADD | Computer-Aided Design and Drafting |
| CAE | Computer-Aided Engineering |
| CAI | Computer-Aided Instruction |
| CAM | Computer-Aided Manufacturing; Common Access Method |
| CAMMU | Cache/Memory Management Unit |
| CAS | Column-Address Strobe; Communications Applications Specification |
| GO BACK TO THE INDEX | |
| CASE | Computer-Aided Software Engineering |
| CATV | Community Antenna Television(cable TV) |
| CBIOS | Compatibility BIOS |
| CBLT | Character Block Transfer |
| CCITT | Comité Consultatif
Internationale de Telegraphique et Telephonique, or Consultative
Commitee on International Telegraphy and Telephony.
|
| CCD | Charge-Coupled Device |
| CDE | Common Desktop Environment (COSE) |
| CD-I | Compact Disc-Interactive |
| CDMA | Code Division Multiple Access |
| CDPD | Cellular Digital Packet Data |
| CD-R | Compact Disc - Recordable |
| CD-ROM | Compact-Disc-Read-Only-Memory |
| CEMM | Compaq Expandable Memory Manager |
| GO BACK TO THE INDEX | |
| CGA | Color Graphics Adapter |
| CISC | Complex Instruction-Set Computer |
| CLI | Call Level Interface; Command-Line Interpreter |
| CMC | Common Messaging Calls (XAPIA) |
| CMOS | Complementary Metal-Oxide Semiconductor |
| CORBA | Common Object Request Broker Architecture (OMG) |
| COSE | Common Open Software Environment |
| CRC | Cyclic Redundancy Check |
| CSMA/CD | Carrier Sense Multiple Access / Collision Detection |
| CUA | Common User Access |
| DA | Desk Accessory (Apple); Destination Address |
| DAC | Digital-to-Analog Converter |
| DAT | Digital AudioTape
Cassette tapes that are able to store digital audio data in read and write mode. |
| DBMS | Database Management System |
| GO BACK TO THE INDEX | |
| DDBMS | Distributed DBMS |
| DCE | Data Communications Equipement; Data Circuit-terminating Equipment; Distributed Computing Environment (OSF) |
| DCL | Digital Command Language (DEC) |
| DDE | Dynamic Data Exchange |
| DDL | Document Description Language; Data Description Language |
| DES | Data Encryption Standard |
| DFS | Distributed File System.
A file service that joins the local file system of several file server machines, making the file system available to all DFS client machines. |
| DHCP | Dyanamic Host Configuration
Protocol.
A service that lets clients on a LAN request configuration information. |
| DIF | Data Interchange Format |
| DIME | Dual Independent Map Encoding |
| DLL | Dynamic Link Library |
| GO BACK TO THE INDEX | |
| DMA | Direct Memory Access |
| DMI | Desktop Management Interface (DMTF) |
| DMTF | Desktop Management Task Force |
| DNS | Domain Name System /
Protocole DNS
A TCP/IP protocol for discovering and maintaining network resource information distributed among different servers. |
| DOE | Distributed Objects Everywhere (Sun) |
| dpi | dots per inch
A measure of screen and printer resolution |
| DPMI | DOS Protected Mode Interface |
| DRAM | Dynamic RAM |
| DS/DD | Double - Sided, Double-Density |
| DSOM | Distributed System Object Model (IBM) |
| DSP | Digital Signal Processor
|
| DSS | Decision Supprt System; Digital Signature Standard |
| DTE | Data Terminal Equipment |
| GO BACK TO THE INDEX | |
| DTMF | Dual-Tone Multi-Frequency |
| DVI | Digital Video Interactive |
| ECC | Error-Correction Code |
| ECL | Emitter-Coupled Logic |
| ECM | Emiter-Coupled Logic |
| ECMA | European Computer Manufacturers Association |
| EDI | Electronic
Data Interchange/ échange de données électronique.
|
| EEMS | Enhanced Expanded Memory Specification |
| EEPROM | Electrically Erasable Programmable ROM |
| EGA | Enhanced Graphics Adapter
Video graphics adapter similar to cga but with better resolution and increased colors. |
| EIS | Executive Information System |
| EISA | Extended Industry Standard Architecture |
| EMS | Expanded Memory Specification |
| ENS | Entreprise Network Services (Banyan Vines) |
| GO BACK TO THE INDEX | |
| EPLD | Electrically Programmable Logic Device |
| EPROM | Erasable Programmable ROM
Read Only Memory that can be programmed and deleted using UV light. |
| EPS | Encapsulated PostScript |
| ER | Entity Relationship |
| ERLL | Enhanced Run Length Limited |
| ESDI | Enhanced Small Device Interface |
| FAT | File Allocation Table |
| FDDI | Fiber Distributed Data
Interface
|
| FDHD | Floppy Disk High-Density |
| FDM | Frequency-Division Multiplexing |
| FDx | Full-Duplex |
| FIFO | First In, First Out |
| FLOPS | Floating-Point Operations Per Second |
| 4GL | Fourth-Generation Language | GO BACK TO THE INDEX |
| FPD | Full-Page Display |
| FPGA | Field Programmable Gate Array |
| FPI | Floating-Point Interface |
| FPU | Floating-Point Unit |
| FTP | File Tranfer Protocol.
A protocol which allows a user on one host to access and transfer files to and from another host over a network. |
| GAL | Generic Array Logic |
| GB | GigaByte
approximately one billion bytes |
| GDDM | Graphical Data Display Manager |
| GDI | Graphical Device Interface |
| GEM | Graphics Environment Manager |
| GFLOPS | GigaFLOPS
billion floating-point operations per second |
| GIF | Graphics Interchange Format
An image compression algorithm that facilitates the transfer of high quality images over a network. |
| GIS | Geographic Information System
An applications program written to store and access geographical maps on the computer system. |
| GO BACK TO THE INDEX | |
| GPF | General Protection Fault |
| GPI | Graphics Programmable Interface |
| GPIB | General-Purpose Interface Bus |
| GPU | Graphics Processing Unit |
| GUI | Graphical User Interface
A way of interacting with computer users through graphical windows that use menus and icons in a logical manner to perform a specific task. |
| HAL | Hardware Abstration Layer |
| HDLC | High-Level Data-Link Control |
| HDTV | High-Definition Television
A high resolution technology that uses approximately 1,200 lines of resolution giving an image extra clarity. |
| HDx | Half Duplex |
| HFS | Hierarchical File System (Apple) |
| HIPPI | High Performance Parallel
Interface
A Parallel interface standard created by ANSI. |
| HLLAPI | High-Level Language Application Programmable Interface |
| HMMU | Hardware Memory Management Unit |
| HOB | High-Order Byte |
| GO BACK TO THE INDEX | |
| HPFS | High Performance File System: (OS/2) |
| HPGL | Hewlett-Packard Graphics Language |
| HP-IB | Hewlett-Packard Interface Bus |
| HPPI | High Performance Peripheral Interface |
| HP/UX | Hewlett-Packard's version of Unix |
| HSM | Hierarchical Storage Management |
| HSYNC | Horozontal Synchronization |
| HTML | Hypertext Markup Language.
The coding that World Wide Web browsers read to create Web pages. |
| HTTP | Hypertext Transport Protocol;
also Hypertext Transfer Protocol.
The protocol used to transfer World Wide Web data across the Internet. |
| IAC | Interapplication Communication (Apple) |
| ICE | In-Circuit Emulator |
| IDA | Intelligent Drive Array |
| IDAPI | Independent Database API (Borland) |
| IDE | Integrated Drive Electronics
A standard for connecting integrated drives with a certain controller to the AT bus.(low cost alternative to SCSI) |
| GO BACK TO THE INDEX | |
| IEEE | Institute of Electrical and
Electronics Engineers
An engineering organization that sets many standards, especially standards for LAN network system. |
| IETF | Internet Engineering Task
Force
A task force formed to define protocol standards used for the Internet. |
| IFF | Interchange File Format |
| IGES | Initial Graphics Exchange Specifications |
| IMAP | Interactive Mail Access Protocol |
| INT | Interrupt |
| IP | Internet Protocol; also
Internetwork Protocol.
A set of network protocols defined by the Us Department of Defence. |
| IPC | InterProcess Communications |
| IPX/SPX | Internet Packet Exchange/Sequenced Packet Exchange |
| IR | Instruction Register |
| IRC | Interrupt Request.
|
| ISA | Industry Standard Architecture
A standard for the CPU architecture, support chips and the clock on Intel based computers. |
| ISAM | Indexed Sequential-Access Method |
| ISDN | Integrated Services Digital
Network / Réseau numerique a
integration de services
A method of transmitting data digitally over telephone lines. |
| GO BACK TO THE INDEX | |
| ISO | International Standards
Organization
A International Standards Organization that sets technical standards, especially for network protocols.(ISO / OSI). |
| ISP | Internet Service Provider.
A company that provides Internet services. |
| ISR | Interrupt Service Routine |
| ISV | Independent Software Vendor |
| IT | Information Technology |
| ITSEC | Information Technology Security Evaluation Criteria (European) |
| IXC | Interexchange Carrier;also
called IEC
A long distance telephone company. |
| JIS | Japan Industrial Standard |
| JPEG | Joint Photographic Experts
Group
Formed standard for image storage. Allows the storage of large images in a compressed lossy form. |
| KB | KiloByte
1024 bytes |
| KBps | KiloBytes per second
|
| Kbps | Kilobits per second
Thousand of bits per second. |
| GO BACK TO THE INDEX | |
| LAN | Local-Area Network / Réseau
local
A network system in a limited geographical area that does not use long distance carriers such as telephone connections. The area is usually limited to the cable length. |
| LATA | Local Access and Transport Area. |
| LDT | Local Descriptor Table |
| LIFO | Last In, First Out |
| LIPS | Logical Instructions Per Second |
| Lisp | List Processing |
| LLC | Logical Link Control |
| LOB | Low-Order Byte |
| LSB | Least-Significant Bit (or byte) |
| LSD | Least-Significant Digit |
| LSI | Large-Scale Integration |
| GO BACK TO THE INDEX | |
| LZW | Lempel-Ziv-Welch |
| MAC | Media Access Control |
| MAN | Metropolitan-Area Network
A group of LAN networks under a distance of fifty kilometers connected together. |
| MAP | Manufacturing Automation Protocol |
| MAPI | Messaging API (Microsoft) |
| MASM | Macro Assembler (Microsoft) |
| MB | MegaByte
Approximately one million bytes(1,048,576). |
| Mb | MegaBit
Approximately one million bits |
| MCA | Micro Channel Architecture (IBM) |
| MCGA | Multicolor Graphics Array |
| MCI | Media Control Interface |
| MDA | Monochrome Display Adapter |
| MDI | Multiple Document Interface |
| GO BACK TO THE INDEX | |
| MDS | Macintosh Develpoment System; Microprocessor Development System |
| MFC | Microsoft Foundation Classes |
| MFLOPS | MegaFLOPS; Million Floating-Point Operations Per Second |
| MFM | Modified Frequency Modulation |
| MFS | Macintosh File System |
| MHS | Message Handling Service |
| MIDI | Musical Instrument Digital
Interface
International standard that permits musical instruments to be controlled from a computer display (screen). |
| MIMD | Multiple Instruction Multiple Data |
| MIME | Multipurpose Internet Mail
Extensions.
An extension to Internet e-mail which provides the ability to transfer non-textual data, such as graphics, audio and video. |
| MIPS | Milion Instructions Per Second
A way of measuring the amount of instructions a CPU can execute in a second. |
| MIS | Management Information System |
| MMU | Memory Management Unit |
| MNP | Microcom Networking Protocol |
| MPC | Multimedia PC
A standard set by the multimedia PC council in order for a PC to support multimedia applications. These standards are a minimum requirement. |
| GO BACK TO THE INDEX | |
| MPEG | Moving Pictures Expert Group |
| MPU | Microprocessor Unit |
| MPW | Macintosh Programmer's Workshop |
| MRCI | Microsoft Real-Time Compression Interface |
| ms | MilliSecond
one thousandth of a second |
| MSB | Most Significant Bit (or Byte) |
| MSI | Medium-Scale Integration |
| MTBF | Mean Time Between Failures |
| MVS | Multiple Virtual Storage (IBM) |
| NAPLPS | North American Presentation-Level Protocol Syntax |
| NAU | Network Access Unit; Network Addressable Unit |
| NCSC | National Computer Security Center |
| NDIS | Network Driver Interface Specification |
| NDP | Numeric Data Processor |
| GO BACK TO THE INDEX | |
| NDS | NetWare Directory Service (Novell) |
| NetBIOS | Network Basic Input/Output System |
| NetBEUI | NetBIOS Extended User Interface |
| NFS | Network File System (Sun)
|
| NIC | Network
Information Center / centre d'information sur le reseau
A NIC provides information, assistance and services to network users |
| NIS | Network Information Service;
formerly Yellow Pages (Sun).
A protocol for remote distribution of common configuration files. |
| NIST | National Institute of Standards and Technology |
| NIU | Network Interface Unit |
| NLM | NetWare Loadable Module |
| NMI | NonMaskable Interrupt |
| NNTP | Network News Transport
Protocol.
A protocol for the distribution, retrieval and posting of Usenet articles through high-speed links available on the Internet. |
| NOS | Network Operating System |
| ns | Nanosecond
one billionth of a second. |
| NTFS | Microsoft Windows NT File System |
| NTSC | National Television Standards Commitee |
| GO BACK TO THE INDEX | |
| OCR | Optical Charcater Recognition |
| OCX | OLE Control |
| ODAPI | Open Database API |
| ODBC | Open Databse Connectivity (Microsoft) |
| ODBMS | Object DBMS; Object-oriented DBMS; also called OODBMS |
| ODI | Open Data-Link Interface |
| ODMA | Open Document Management API |
| ODMG | Object Database Management Group |
| OEM | Original-Equipment Manufacturer |
| OLE | Object Linking and Embedding |
| OLTP | On-Line Transaction Processing |
| OMG | Object Management Group |
| ONC | Open Network Computing (Sun) |
| OOFS | Object--Oriented File System |
| GO BACK TO THE INDEX | |
| OOP | Object-Oriented Programming |
| OOPL | Object-Oriented Programming Language |
| OPROM | Optical Programmable ROM |
| ORB | Object Request Broker |
| OS | Operating System |
| OSF | Open Software Foundation |
| OSI | Open System Interconnection |
| OSPF | Open Shortest Path First |
| OS/2 | Operating System/2 (IBM) |
| OWL | Object Windows Library (Borland) |
| PABX | Private Automatic Branch Exchange(now synchronous with PBX) |
| PAL | Phase Alternate Line;
Programmable Array Logic;Paradox Application Language (Borland)
A European standard for color T.V. It uses 625 scan lines per frame, 25 frames per second at a 2:1 interlace. |
| PBX | Private Branch Exchange |
| GO BACK TO THE INDEX | |
| PC CARD | A removable device, such as a modem or network interface card, designed to fit into a PC Card slot. Formerly called a PCMCIA. |
| PCI | Peripheral Component
Interconnect
A standard for the local bus started by Intel. |
| PCL | Printer Control Language (Hewlett-Packard) |
| PCM | Pulse Code Modulation |
| PCMCIA | Personal Computer Memory Card
International Association.
PLEASE SEE PC CARD. |
| PDA | Personal Digital Assistant
A term used by Apple Computer for a portable device capable of transmitting data. |
| PDES | Product Data Exchange Specification |
| PDL | Page-Description Language; Program Design Language (Ada) |
| PDN | Public Data Network |
| PDO | Portable Distributed Objects (Next) |
| PEEL | Programmable Electrically Erasable Logic |
| PEM | Privacy
Enhanced Mail / courrier a sécurité renforcée
|
| PERT | Program Evaluation and Review Technique |
| PGA | Pin Grid Array; Programmable Gate Array |
| PGL | Professional Graphics Language |
| PHIGS | Programmer's Hierarchical Interactive Graphics Standard |
| GO BACK TO THE INDEX | |
| PIA | Peripheral Interface Adapter |
| PIF | Program Information File |
| PIM | Personal Information Manager |
| PIN | Positive Intrinsic Negative; Personal Identification Number |
| PLA | Programmable Logic Array |
| PLC | Programmable Logic Controller |
| PLD | Programmable Logic Device |
| PLE | Programmable Logic Element |
| PL/1 | Programmable Language/1 |
| PMMU | Paged Memory Management Unit |
| POP | Point-of-Presence
/ point de connexion
A term used to represent a switching dial in facility location. |
| POS | Programmable Option Select |
| POSE | Picture-Oriented Software Engineering |
| POST | Power-On Self Test |
| POTS | Plain Old Telephone Service.
The basic telephone service, with no added features.(call waiting...) |
| GO BACK TO THE INDEX | |
| PPP | Point-to-Point
Protocol / protocole PPP
A protocol for framing IP packets and transmitting them over a serial line. |
| PRML | Partial-Response Maximum Likelihood |
| PROM | Programmable Read-Only Memory
A memory where the data can be programmed in the manufacturing process and in the field. |
| QEMM | Quarterdeck Expanded Memory Manager |
| QIC | Quarter Inch Cartridge |
| RAID | Redundant Arrays of
Inexpensive Disks
A system where several inexpensive disk drives are put together to create a redundant data storage system. |
| RAM | Random-Access Memory
A volatile memory where data can be written to and read from. It is a temporary storage mainly used to execute computer programs. |
| RAMDAC | Random-Access Memory Digital-to-Analog Converter |
| RAS | Row-Address Strobe |
| RDBMS | Relational Database Management System |
| RFS | Remote File System (AT&T) |
| RGB | Red-Green-Blue
A color model that uses these three colors to produce all colors. |
| GO BACK TO THE INDEX | |
| RIP | Raster-Image Processor;Routing
Information Protocol; Remote Imaging Protocol.
A protocol used for the transmission of IP routing information. |
| RISC | Reduced-Instruction-Set
Computer
A type of microprocessor where machine instructions may be executed without decoding. |
| RLE | Run Length Encoding |
| RMW | Read, Modify, Write |
| ROM | Read-Only Memory
A type of memory chip where data has been programmed in the manufacturing process and cannot be changed thereafter. |
| RPC | Remote Procedure Call / invocation de procédures a distance
|
| RSA | Rivest-Shamir-Adleman |
| RTF | Rich Text Format |
| RTN | Recursive Transition Network |
| RTV | Real-Time Video |
| SAA | Sysytem Application Architecture (IBM) |
| SANE | Standard Apple Numeric Environment |
| SASI | Shugart Associates System Interface |
| GO BACK TO THE INDEX | |
| SCSI | Small Computer System
Interface
|
| SDK | Software Development Kit |
| SDLC | Synchronous Data-Link Control |
| SGML | Standard Generalized Markup Language |
| SHTTP | Secure HTTP |
| SIMD | Single Instruction, Multiple Data |
| SIMM | Single In-Line Memory Module |
| SIP | Single In-Line Package |
| SIPP | Single In-Line Pin Package |
| SLIP | Serial
line Internet Protocol / protocole SLIP
A protocol used to run IP over serial lines, such as telephone circuits or RS-232 cables, interconnecting two systems. |
| SMB | Server Message Block |
| SMP | Symmetric Multiprocessing |
| SMTP | Simple
Mail Transfer Protocol / protocole SMTP
A protocol used to transfer electronic mail between computers. It is a server to server protocol. |
| SMPTE | Society of Motion Picture &
Television Engineers
A professional association for setting standards for motion. |
| SNA | System Network Architecture (IBM) |
| GO BACK TO THE INDEX | |
| SNMP | Simple Network Management
Protocol.
A protocol used for communication between management consoles and network devices.(The Netopia ISDN Router) |
| SOM | System Object Model (IBM) |
| SPI | Service Provider Interface |
| SQL | Structured Query Language |
| SRAM | Static RAM |
| SSA | Serial Storage Architecture |
| SSI | Small-Scale Integration |
| SS/SD | Single-Sided, Single-Density |
| SVGA | Super VGA |
| TaIAE | Taligent Application Environment |
| TASM | Turbo Assembler (Borland) |
| TcI | Tool control language |
| TCP/IP | Transmission Control
Protocol/Internet Protocol.
An open network standard which defines how devices from different manufacturers communicate with each other over one or more interconnected networks.(internet) |
| TCSEC | Trusted Computer Systems Evaluation Criteria (Orange book) |
| GO BACK TO THE INDEX | |
| TB | TeraByte
approximately one trillion bytes |
| TFTP | Trivial File Transfer
Protocol.
A protocol used to transfer files between IP nodes. |
| TIFF | Tagged Image File Format |
| TIGA | Texas Instruments Graphics Architecture |
| TOP | Technical Office Protocol |
| TRAM | Transputer Module |
| TSR | Terminate-and-Stay Resident |
| TTL | Transistor-Transistor Logic |
| TWAIN | Interface standard for imaging
peripherals; also Toolkit Without An
Important Name |
| UART | Universal Asynchronous
Receiver / Transmitter
A microchip interfaced to a microprocessor to enable serial communications. |
| UAE | Unrecoverable Applications Error |
| UDP | User
Datagram Protocol / Protocole UDP
A TCP/IP protocol that describes how packets reach applications in destination nodes. |
| UPS | Uninterruptible Power Supply
A backup device with batteries to power computers or communication equipment in the event of a power failure. Used mostly for World Wide Web servers. |
| GO BACK TO THE INDEX | |
| URL | Uniform
Resource Locator / adresse URL
An absolute location for a given piece of information, used by web browsers to locate information. |
| USART | Universal Synchronous / Asynchronous Receiver Transmitter |
| UUCP | Unix-to-Unix Command Protocol.
This was initially a program run under the UNIX operating system that allowed one UNIX system to send files to another UNIX system via dialup phone lines. |
| VAN | Value-Added Network |
| VAP | Value-Added Process |
| VAR | Value-Added Reseller |
| VBL | Vertical Blanking Interrupt |
| VBX | Visual Basic Control |
| VCPI | Virtual Control Program Interface |
| VERONICA | Very Easy Rodent-Oriented
Netwide Index to Computerized Archives.
A service that maintains an index of titles of terms on Gopher servers, and provides keyword searches of those titles. |
| VESA | Video Electronics Standards
Association
An association founded to standardize the electrical, programming, and timing features of computer video displays. |
| VFS | Virtual File System |
| VGA | Video Graphics Array / Video Graphics Adapter |
| VIDC | Video Controller |
| GO BACK TO THE INDEX | |
| VIM | Vendor-Independent Messaging |
| VIS | Video Information System |
| VLIW | Very Long Instruction Word |
| VLSI | Very Large-Scale Integration |
| VME | Virtual Machine Environment |
| VMS | Virtual Memory System (DEC) |
| VRAM | Video RAM
RAM microchips used for the video graphics adapter. |
| VSAM | Virtual Storage Access Method (IBM) |
| VSYNC | Vertical Synchronization |
| WAIS | Wide
Area Information Server; also Wide Area Information Service.
A distributed information service which offers simple natural language input, indexed searching for fast retrieval and a "relevance feedback" mechanism which allows the results of initial searches to influence future searches. |
| WAN | Wide-Area Network.
A network that consists of nodes connected by long distance transmission media (i.e. telephone lines). |
| WIMP | Windows, Icons, Menus, and Pointing device |
| WISC | Writable Instruction Set Computer |
| WORM | Write-Once, Read Many Times.
A computer program which replicates itself and is self-propagating. |
| GO BACK TO THE INDEX | |
| WOSA | Windows Open Services Architecture |
| WWW | World
Wide Web
|
| WYSIWYG | What-You-See-Is-What-You-Get |
| XA | Extended Architecture |
| XAPIA | X.400 API Association |
| XCMD | External Command:
A user-defined command that uses built-in-Macintosh code to extend the features of HyperCard |
| XGA | Extended Graphics Array |
| XMS | Extended Memory Specification:
A set of rules defining a software interface that provides DOS applications with access to extend memory |
| XON/XOFF | Telecommunications control protocol |
| XOR | Exclusive-OR |
| XPG | X/Open Portability Guide |
| GO BACK TO THE INDEX | |
| ZBR | Zone-Bit Recording |
| ZCAV | Zone Constant Angular Velocity |
| ZIF | Zero Insertion Force |
| ZIP | Zig-Zag In-line Package / Pin |
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