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Computer Acronyms Andrew Albrighton The world of computers is full of acronyms, and even the most knowledgeable computer expert couldn't possibly know them all. Below is a list of acronyms that should come in useful. Note: The colloquial acronyms used in Internet shorthand are listed here. Acronyms A I B I C I D I E I F I G I H I I I J I K I L I M I N O I P I Q I R I S I T I U I V I W I X I Y I Z Acronym Meaning 3GL Third Generation Language ABR Available Bit Rate Service ACR Actual Cell Rate ACTS Advanced Communication Technology Satellite ADC Analogue to Digital Converter ADCCP Advanced Communication Control Procedure ADSL Asymmetric Digital Subscriber Line AGP Advanced Graphics Port AMPS Advanced Mobile Phone System ANSI American National Standards Institute AOL America On-Line ARP Address Resolution Protocol ARQ Automatic Repeat Request ASCII American Standard Code for Information Interchange ATAPI Advanced Technology Attachment Programmed Interface ATM Asynchronus Transfer Mode AVI Audio/Video Interleaved   BBS Bulletin Board Service BGP Border Gateway Protocol B-ISDN Broadband ISDN BOC Bell Operating Company BUS Broadcast / Unknown Server   CBR Constant Bit Rate Services CD Compact Disc CDF Channel Definition Format CDMA Code Division Multiple Access CDPD Cellular Digital Packet Data CDV Cell Delay Variation CER Call Error Rate CGI Common Gateway Interface CHAP Challenge Authentication Protocol CIDR Classless Interdomain Routing CLR Cell Loss Ratio CLUT Colour Lookup Table CMR Cell Mis-insertion Rate CPU Central Processing Unit CSMA Carrier Sense Multiple Access CSS Cascading Style Sheet CTD Cell Transfer Delay CVDT Cell Variation Delay Tolerance DAC Digital to Analogue Converter DCE Data Circuit Terminating Equipment DDE Dynamic Data Exchange DHCP Dynamic Host Control Protocol DHTML Dynamic Hypertext Mark-up Language DIMM Dual In-Line Memory Module DMSP Distributed Mail System Protocol DNS Domain Name Server DNS Domain Name System DQDB Distributed Queue Dual Bus DRAM Dynamic Random Access Memory DSMA Digital Sense Multiple Access DSS Digital Signature Standard DSSSL Document Style Semantics and Specification Language DTD Document Type Definition DTE Data Terminating Equipment DVD Digital Versatile Disc DVMRP Distance Vector Multicast Routing Protocol   EAPROM Electronically Alterable Programmable Read Only Memory ECP Enhanced Communication Port EDO Extended Data Out EEPROM Electronically Erasable Programmable Read Only Memory EGA Enhanced Graphics Adaptor EGA Enhanced Graphics Adaptor EGP Exterior Gateway Protocol EIDE Enhanced Integrated Drive Electronics EISA Extended Industry Standard Architecture EMS Error Management System EPA Environmental Protection Agency ER Explicit Rate EUVL Extreme  Ultraviolet Lithography   FAQ Frequently Asked Questions FCC Federal Communications Commission FDDI Fibre Distributed Data Interface FDM Frequency Division Multiplexing FIFO First In First Out FILO First In Last Out FORTAN Formula Translation FTP File Transfer Protocol FTP File Transfer Protocol FTTC Fibre To The Curb FTTH Fibre To The Home GB Gigabyte GCRA Generic Cell Rate Algorithm GIF Graphic Interchange Format GPF Generalised Patch Format GPU Graphics Processing Unit GSM Global System for Mobile Communications GUI Graphical User Interface   HDD High Density Disk HDLC High-Level Data Link Control HDTV High Definition Television HEC Header Error Control HFC Hybrid Fibre Coax HIPPI High-Performance Parallel Interface HTML HyperText Mark-up Language HTTP HyperText Transfer Protocols   IAB Internet Architecture Board ICMP Internet Control Message Protocol IDE Integrated Drive Electronics IDEA International Data Encryption Algorithm IDU Interface Data Unit IETF Internet Engineering Task Force IGMP Internet Group Management Protocol IMAP Interactive Mail Access Protocol IMP Interface Data Unit IMTS Improved Mobile Telephone Service IP Internet Protocol IPRA Internet Policy Registration Authority IPX Inernetwork Packet Exchange ISA Industry Standard Architecture ISDN Integrated Services Digital Network ISM Industrial/Scientific/Medical ISO International Standards Organisation ISP Internet Service Provider ITU International Telecommunication Union IXC Interexchange Carrier   JPEG Joint Photographic Equipment Group JS JavaScript   KB Kilobyte KDC Key Distribution Centre LAN Local Area Network LAP Link Access Procedure LASER Light Amplification By Stimulated Emission of Radiation LATA Local Access and Transport Layer LCP Link Control Protocol LDAP Lightweight Development Action Plan LDCM LANDesk Client Manager LEC Local Exchange Carrier LES LAN Emulation Server LIFO Last In First Out LILO Last In Last Out LIS Logical IP Subnet LLC Logical Link Control LPT Line Print Terminal LRU Least Recently Used   MAC Medium Access Control MACA Multiple Access with Collision Avoidance MAN Metropolitan Area Network MB Megabyte Mbone Multicast Backbone MCR Minimum Cell Rate MHz MegaHertz MIB Management Information Base MIDI Musical Instruments Digital Interface MIME Multipurpose Internet Mail Extensions MMX Multimedia Extensions MODEM Modulator Demodulator MOSPF Multicast OSPF MPEG Motion Pictures Experts Group MS Microsoft MSC Mobile Switching Centre MTSO Mobile Telephone Switching Office MTU Maximum Transfer Unit   NAK Negative Acknowledgement NAP Network Access Point NCP Network Control Protocol NCP Network Core Protocol NIC Network Information Centre N-ISDN Narrowband ISDN NIST National Institute of Standards and Technology NNTP Network News Transfer Protocol NSA National Security Agency NSAP Network Service Access Point NVRAM Non-Volatile Random Access Memory OAM Operation and Maintenance OC Optical Carrier OLE Object Linking and Embedding ONU Optical Network Unit OOP Object Orientated Programming OSPF Open Shortest Path First   PAD Packet Assembler Dissembler PAL Phase Alternating Line PBX Private Branch Exchange PCA Policy Certification Authority PCI Peripheral Component Interface PCM Pulse Code Modulation PCMCIA Personal Computer Memory Card International Association PCN Personal Communications Network PCR Peak Cell Rate PCS Personal Communications Services PDU Protocol Data Unit PEM Privacy Enhanced Mail PES Packetised Elementary Stream PGP Pretty Good Privacy PIM Protocol Independent Multicast PNP Plug and Play POP Point of Presence POP3 Post Office Protocol-3 POTS Plain Old Telephone Service PPP Point to Point Protocol PROM Programmable Read Only Memory PSTN Public Switched Telephone Network PTT Post, Telegraph and Telephone PVC Permanent Virtual Circuit   QAM Quadrature Amplitude Modulation QOS Quality of Service RAID Redundant Array of Inexpensive Disks RAM Random Access Memory RARP Reverse Address Resolution Protocol RFC Request For Comment RIMM RAMBUS In-line Memory Module RM Resource Management ROM Read Only Memory RPG Report Program Generator RSVP Resource Reservation Protocol   SABME Set Asynchronus Balanced Mode Extended SAP Service Access Point SCR Sustained Cell Rate SCSI Small Computer Interface SDH Synchronous Digital Hierarchy SDLC Synchronous Data Link Control SDRAM Synchronous Dynamic Random Access Memory SDU Service Data Unit SEAL Simple Efficient Adaptation Layer SECAM Sequential Couleur Avec Memoire SECBR Severely Errored Cell Block Ratio SGML Standard Generalised Mark-up Language SHA Secure Hash Algorithm SHTML Static Hypertext Mark-up Language SIMM Single In-Line Memory Module SIPP Simple Internet Protocol Plus SLIP Serial Line Internet Protocol SMDS Switched Mulitmegabit Data Service SMI Structure of Management Information SMS Short Message Service SNA Simple Network Architecture SNMP Simple Network Management Protocol SNRME Set Normal Response Mode Extended SONET Synchronous Optical Network SPE Synchronous Payload Envelope SPX Sequenced Packet Exchange SQL Structured Query Language SSCOP Service Specific Connection Orientated Protocol STS Synchronous Transport Signal SVGA Super Video Graphics Adaptor TCP Transmission Control Protocol TDC Tabular Data Control TDM Time Division Multiplexing TIP Terminal Interface Processor TPDU Transport Protocol Data Unit TSAP Transport Service Access Point   UBR Un-Specified Bit Rate Service UDP User Datagram Protocol URI Uniform Resource Identifier URL Uniform Resource Locator USB Universal Serial Bus UTP Unshielded Twisted Pair   VB Visual Basic VBR Variable Bit Rate VGA Video Graphics Adaptors VHF Very High Frequency VLF Very Low Frequency VSAT Very Small Aperture Technology   WAN Wide Area Network WAP Wireless Application Protocol WDM Wavelength Division Multiplexing WDMA Wavelength Division Multiple Access WWW World Wide Web WYSIWYG What You See Is What You Get   XGA Extended Graphics Adaptor XML Extensible Mark-up Language XP Extreme Programming XQL XML Query Language XSL Extensible Stylesheet Language   Y2K Year 2000 YBK Year Book     Back to Top     Views: [an error occurred while processing this directive]

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