Computer Abbreviations

Computer abbreviations
Computer abbreviations
3GP3rd Generation Project
3GPP3rd Generation Partnership Project
AACAdvanced Audio Coding
ACIDAtomicity Consistency Isolation Durability
ADSLAsymmetric Digital Subscriber Line
AFAIK(as far as I know; email)
AGPAdvanced Graphics Port
AIArtificial Intelligence
AIMAOL Instant Messenger
ALGOLAlgorithmic Language
ALGOLAlgorithmic Language
ALTALTernate lifestyle (USENET newsgroup category)
ALUArithmetic Logic Unit
ANSIAmerican National Standards Institute
AOLAmerica Online
APIApplication Program Interface
APTAutomatically Programmed Tooling
ARPAddress Resolution Protocol
ARPANETAdvanced Research Projects Agency Network
ARQAutomatic Repeat Request
ASAutonomous System
ASCIIAmerican Standard Code for Information Interchange
ASPActive Server Pages
ASPAssociation of Shareware Professionals
ASPIAdvanced SCSI Programming Interface (Adaptec)
ATAdvanced Technology
ATAAdvanced Technology Attachment (original hard drive interface)
ATDTAttention Dial Tone (modem command)
ATMAsynchronous Transfer Mode
ATZAttention Restore configuration profile from nonvolatile RAM (modem command)
AUIAttachment Unit Interface
AUTOEXECAutoexec Automatic Execution file (AUTOEXEC.BAT automatically executed on startup of DOS systems)
AVIAudio Video Interleave
AWK(Unix language named after its authors… Al Aho, Peter Weinberger and Brian Kernighan)
B KeyboardKilobyte (1,024 bytes; also kB)
B2BBusiness to Business
B2CBusiness to Consumer
BASICBeginner’s All-purpose Symbolic Instruction Code
BCCBlind Carbon Copy
BCDBinary Coded Decimal
BCRBar Code Reader
BDSLBroadband DSL
BEDOBurst Extended Data Out (RAM)
BGPBorder Gateway Protocol
BHTMLBroadcast Hyper Text Markup Language
BIOSBasic Input Output System
BIPSBillion Instruction Per Second
BIUBus Interface Unit
BPSBits Per Second + Bytes Per Second
BRDBlu-Ray Disc
BsoDBlue (or black) Screen of Death( Windows just died (again)
CADComputer Aided Design
CADDComputer Aided Design and Drafting
CAIComputer Aided Instruction
CAMComputer Aided Manufacturing
CANCampus Area Network
CCCarbon Copy
CCITTComite Consultatif International Telegraphique et Telephonique/
CDCompact Disk
CDChange Directory (UNIX/DOS)
CD0R/WCompact Disk – Rewritable
CDMACode-Division Multiple Access (wireless/cellphone protocol)
CDPDCellular Digital Packet Data (wireless protocol)
CD-RCompact Disk – Recordable
CDROMCompact Disk Read Only Memory
CDRWCompact Disk Rewritable
CD-WOCompact Disk – Write Once
CD-XACompact Disk – Extended Architecture
CERNThe European Particle Physics Laboratory (initials originally from Conseil European pour la Recherche Nucleaire)
CERTComputer Emergency Response Team)
CGI-BINCommon Gateway Interface – Binary (programming for Web forms)
CISCompuServe Information Service
CISCComplex Instructions Set Computers
CMOSComplementary Metal-Oxide Semiconductor (type of nonvolatile memory chip) + PC Configuration stored on CMOS
CMYKCyan-Magenta-Yellow-Black (color model)
CNMCirculatory Network Mode
COAXCoaxial Cable (for Ethernet and similar networks)
COBOLCommon Business Oriented Language
COM1First serial Port (asynchronous port)
COM2Second serial Port
COMDEXComputer Dealers Exposition (biggest yearly U.S. computer show)
COMPUTERCommonly Operated Machine Particularly Used for Trade/Technology, Education, and Research.
CPIClock / Cycle Per Instruction
CPUCentral Processing Unit
CROMComputerized Range of Motion
CRTCathode Ray Tube( standard type computer monitor display
CSIDCall Subscriber ID (for FAX and phone caller ID)
CSLIPCompressed Serial Line Interface Protocol (Internet)
CSSCascading Style Sheets
CSVComma-Separated Value/Variable (file type)
CTRLControl (computer keyboard key)
CUICharacter User Interface
DACData Acquisition and Control + Digital to Analog Converter
DARPANETDefense Advanced Research Project Agency Network
DATDigital Audio Tape
DBMSData Base Management System
DCDData Carrier Detect
DCEData Communications Equipment + Distributed Computing Environment OSF) + Distributed Computing Equipment
DCFData Communication Facility(IBM) +
DDEDirect Data Entry + Dynamic Data Exchange (Microsoft)
DDLData Definition Language
DDRDouble Data Rate (double=speed of RAM)
DDR – SDRAMDouble Data Rate – Synchronous Dynamic Random Access Memory
DHCPDynamic Host Configuration Protocol
DHTMLDynamics Hyper Text Markup Language
DIMMDual Inline Memory Module
DINDeutsche Industrie Norm (German equivalent of EIA)
DIPDual In-line Package (e.g., DIP switches)
DIRDirectory (file)
DLLDynamic Link Library
DMADirect Memory Access/Addressing
DMLData Manipulation Language
DNADistributed Internet Architecture
DNSDomain Name System
DOCData Optimizing Computer
DOSDisk Operating System
DPIDots Per Inch
DRAMDynamic Random Access Memory
DSLDigital Subscriber Line( fast Internet connection over existing phone lines
DSTNDouble Supertwisted Nematic (LCD screen type)
DTMFDual Tone Multiple Frequency (phone tones)
DUNDial-Up Networking (Microsoft)
DVDDigital Video/Versatile Disc
DVDRDigital Versatile Disk Recordable
DVDRWDigital Versatile Disk Rewritable
DVIDigital Visual Interface
DVRDigital Video Recorder
EBCDICExtended Binary Coded Decimal Interchange Code (IBM) (is to ASCII as Sanskrit is to English)
ECCError Check Code + Error Checking and Correction + Error Correction Code
E-CommerceElectronic Commerce
ECPEnhanced Capabilities Port (Microsoft)
EDCElectronic Digital Computer
EDGEEnhanced Data Rate for GSM (Global System for Mobile Communication) Evolution
EDIElectronic Data Interchange
EDOExtended Data Out (RAM)
EDPElectronic Data Processing
EDSACElectronic Delay Storage Automatic Calculator
EEPROMElectronically Erasable Programmable Read Only Memory
EFSEncrypted File System
EIDEEnhanced Integrated Drive Electronics (hard drive interface)
EISAExtended Industry Standard Architecture (PC bus design)
EMACSEditing Macros (Unix editor)
E-MailElectronic Mail
ENIACElectronics Numerical Integrator And Calculator
EOFEnd of File (^Z character)
EPPEnhanced Parallel Port
EPROMErasable Programmable Read Only Memory
EROMErasable Read Only Memory
ESDIEnhanced Small Device Interface
EWANEmulator Without A Good Name (Internet)
FAQFrequently Asked Question
FATFile Allocation Table
FDCFloppy Disk Controller
FDDFloppy Disk Drive
FDISKFixed Disk (DOS utility)
FIFOFirst-In, First-Out
FLOPSFloating Point Operations Per Second
FMFrequency Modulation
FORTRANFormula Translation
FPM Fast Page Mode (RAM)
FPSFrames Per Second
FSFile System
FTPFile Transfer Protocol
FYIFor Your Information
GBGiga Byte
GBPSGigabytes/Gigabits Per Second
GDIGraphical Device Interface
GIFGraphic Interchangeable Format
GIGOGarbage In Garbage Out
GISGeographic Information System
GMLGeography Markup Language
GNUGnu’s Not Unix (operating system that really IS Unix)
GPRSGeneral Packet Radio Service
GPSGlobal Positioning Satellite/System
GSMGlobal System for Mobile Communication
GUIGraphical User Interface
GW-basicGee Whiz BASIC
HDHard Disk
HDDHard Disk Drive
HDMIHigh Definition Multimedia Interface
HDSLHigh-Data-Rate Digital Subscriber Line (DSL) + High-Speed Digital Subscriber Loop
HDTVHigh Definition Television
HPHewlett Packard/Horse Power
HPCHandheld Personal Computer/High Performance Computer
HPFSHigh-Performance File System (Windows NT)
HPGLHewlett-Packard Graphics Language
HPIBHewlett-Packard Interface Bus
HPLJHewlett-Packard Laser Jet
HSDPAHigh Speed Downlink Packet Access
HSVHue Saturation Value (color model)
HTMLHyper Text Markup Language
HTTPHyper Text Transfer Protocol
HTTP-NGHTTP Next Generation
HTTPSHyper Text Transfer Protocol Secure
HVDHolographic Versatile Disc
HzHertz (frequency, per second)
I/OInput/Output (serial and parallel ports)
IBMInternational Business Machines
ICIntegrated Circuit
ICANNInternet Corporation of Assign Names & Numbers
ICTInformation Communication Technology
IDEIntegrated Development Environment (Borland) + Integrated Drive Electronics + Intelligent Drive Electronics
IEEEInstitute of Electrical and Electronic Engineer
IMAPInternet Message Access Protocol
IMAP4Internet Message Access Protocol Version 4
IMHO(in my humble opinion; email)
INTELIntegrated Electronics
IOInput Output
IOPInput Output Processor
IPInternet Protocol
IPV4Internet Protocol Version 4
IPV6Internet Protocol Version 6
IPXInternetwork Packet Exchange (Novell)
IR Infrared
IrDAInfrared Data Association (Ir port standard)
IRQInterrupt Request (PC hardware signal)
ISAIndustry Standard Architecture
ISDNIntegrated Services Digital Network (digital phone line)
ISOInternational Standard Organization/ International Org for Standardisation
ISPInternet Service Provider
ITInformation Technology
IVRInteractive Voice Response
I-WAYInformation Highway
J2EEJava 2 Platform Enterprise Edition
JADJava Application Descriptor/Development
JARJava Archive
JPEGJoint Photographic Expert Group
JSJava Script
JSPJava Server Page
KBDKey Board
KbpsKilobits/Kilobytes Per Second
LANLocal Area Network
LCDLiquid Crystal Display
LEDLight Emitting Diode
LFLine Feed
LIFLow Insertion Force
LINUX(Free-Source version of UNIX Operating system named after Linus Torvalds)
LLLLow Level Language
LPILines Per Inch
LPTLine Printer
LPT1First Parallel Printer Port
LPT2Second Parallel Printer Port
LQLetter Quality
LSILarge Scale Integration
LZWLempel-Ziv-Walsh (algorithm)
MACMedia Access Control
MANMetropolitan Area Network
MANETMobile Ad-Hoc Network
MBMotherboard/ Megabyte
MBASICMicrosoft BASIC (Microsoft)
MBPSMegabits/Megabytes Per Second
MbpsMegabits Per Second
MDMake Directory (DOS/Unix)
MFSMacintosh File System (Macintosh)
MHzMega Hertz
MICRMagnetic Ink Character Recognition
MIDIMusical Instrument Digital Interface
MIMEMultipurpose Internet Mail Extensions
MIPSMillion Instructions Per Second
MMXMultimedia Extensions (additional CPU instructions)
MODEMModulator Demodulator
Mp3MPEG Audio Layer 3
Mp4MPEG – 4 AVC (Advanced Video Coding)
MPCMultimedia Personal Computer (Microsoft)
MPEGMotion Picture Experts Group
MSCDEXMicrosoft Compact Disc Extension
MS-DOSMicrosoft – Disk Operating System
MSIEMicrosoft Internet Explorer (Microsoft)
MTBFMean Time Between Failures
NATNetwork Address Translation
NCSANational Center for Supercomputing Applications
NICNetwork Interface Card
NICADNickel Cadmium
NIITNational Institute of Information Technology
NIMHNickel-Metal Hydride
NNTPNetwork News Transfer Protocol (Internet)
NSFNETNational Science Foundation Network
NTFSNew Technology File System
NTPNetwork Time Protocol
OCROptical Character Reader / Recognition
OCXOLE Custom Control
OLEObject Linking and Embedding (Microsoft)
OMROptical Mark Reader/Recognition
OOPObject Oriented Programming
OPEN GLOpen Graphics Library
OSOperating System
OSIOpen Systems Interconnection
P2PPoint to Point Protocol
PANPersonal Area Network
PBSRAMPipeline Burst RAM
PCPersonal Computer
PCBPrinter Circuit Board
PC-DOSPersonal Computer – Disk Operating System (IBM)
PCIPeripheral Component Interconnect
PCMCIAPersonal Computer Memory Card International Association
PDPublic Domain
PDAPersonal Digital Assistant
PDFPortable Document Format
PDUProtocol Data Unit / Power Distribution Unit
PGPPretty Good Privacy (name of encryption program)
PHPHypertext Preprocessor
PIMPersonal Information Manager
PINGPacket Internet/Internetwork Groper
PIXELPicture Element
PNGPortable Network Graphics
PNPPlug and Play
POPPost Office Protocol (protocol for distributing email)
POP3Post Office Protocol Version3
Popmailemail via POP
POSTPower On Self Test
PPMPages Per Minute
PPPPoint to Point Protocol
PPPoAPoint to Point Protocol Over ATM
PPPoEPoint to Point Protocol Over Ethernet
PROMProgrammable Read Only Memory
PRTSCPrint Screen
PSUPower Supply Unit
RAIDRedundant Arrays of Independent Disks + Redundant Arrays of Independent Drives + Redundant Arrays of Inexpensive Disks
RAMRandom Access Memory
RARPReverse Address Resolution Protocol
RDBMSRelational Data Base Management System
RDRAMRambus Dynamic Random Access Memory
REMRemark (comment)
RGBRed-Green-Blue (color model)
RIMMRambus Inline Memory Module
RIPRouting Information Protocol
RISCReduced Instruction Set Computer
RJ-11Standard U.S. phone connector
RJ-45Standard Ethernet connector
RLLRun Length Limited (encoding scheme for hard disks)
RLSIRidiculously Large-Scale Integration
RMAReturn Material Authorization + Return to Manufacturer Authorization
RMDIRRemove Directory (DOS/Unix)
RNRead News (Internet)
ROMRead Only Memory
ROTFL(rolling on the floor laughing; email)
RPMRevolutions Per Minute
RTFRich Text Format
SAMSoftware Asset Management/Sequential Access Method
SANStorage Area Network
SCSISmall Computer System Interface (for hard drives, scanners, etc.)
SDDSolid State Drive
SDRAMSynchronous Dynamic Random Access Memory
SFTPSecure File Transfer Protocol
SGMLStandard Generalized Markup Language
SGRAMSynchronous Graphics RAM
SIMSubscriber Identity Module
SIMMSingle In-line Memory Module
SIPSession Initiation Protocol
SIPPSingle In-line Pin Package
SIUSerial Interface Unit
SLIPSerial Line Interface Protocol
SMIMESecure Multipurpose Internet Mail Extension
SMPSSwitch Mode Power Supply
SMSShort Message Service s
SMTPSimple Mail Transfer Protocol
SNAPSub Network Access Protocol
SNMPSimple Network Management Protocol
SNOBOLString Oriented Symbolic Language
SO-DIMMSmall Outline DIMM
SRAMStatic Random Access Memory
SSHSecure Shell
SSLSecure Sockets Layer
SVGASuper Video Graphics Array
SYSOPSystem Operator
TAPITelephony Application Programming Interface
TBPSTera Bytes Per Second
TCP/IPTransmission Control Protocol/Internet Protocol
TDMATone-Division Multiple Access wireless/cellphone protocol
Tel NetTelecommunication Networking
TFTThin Film Transistor
TFTPTrivial File Transfer Protocol
ThomasThe (U.S.) House (of Representatives) Open Multimedia Access System
TIFFTagged Image File Format
TIPSTrillion Instruction Per Second
TWAINTechnology Without Any Interesting Name (connection between application and scanner software)
UAEUnrecoverable Application Error
UARTUniversal Asynchronous Receiver/Transmitter
UDMAUltra Direct Memory Access
UDPUser Datagram Protocol
UHFUltra High Frequency
UIUser Interface
UMBUpper Memory Block (LIM/AST)
UMTSUniversal Mobile Telecommunication System
UNIVACUniversal Automatic Computer/Universal Non Integrated Vacuum Actuated Computer
UNIX(AT&T Bell Laboratories Operating System)
UPSUninterruptible Power Supply
UPSUninterruptible Power Supply
USENET User’s Network (Internet)
UUCPUnix-To-Unix Copy Program
UXGAUltra XGA; see XGA; 1600×1200 pixels
VAX/VMSVirtual Address Extension/Virtual Memory System (DEC)
VCDVideo Compact Disk
VDTVideo Dial Tone + Video Display Terminal
VDUVisual Display Unit
VFATVirtual File Allocation Table (Microsoft)
VGAVideo/Visual Graphic Adapter
VGAVideo Graphics Array( IBM/Windows 640×480 color graphics display standard
VHFVery High Frequency
VIRUSVital Information Resource Under Seized
VIRUSVital Information Resource Under Siege
VOIPVoice Over Internet Protocol
VPNVirtual Private Network
VRAMVideo Random Access Memory
VRAMVideo Random Access Memory
VRMLVirtual Reality Modeling Language
VxDVirtual Extended Driver (Microsoft)
WAISWide Area Information Server
WANWide Area Network
WAPWireless Application Protocol
WBMPWireless Bitmap Image
WFWWindows For Workgroups (Microsoft)
WIFIWireless fidelity
WIMAXWorldwide Interoperability for Microwave Access
WINSWindows Internet Name Service
WLANWireless Local Area Network
WMAWindows Media Audio
WMLWireless Markup Language
WMVWindows Media Video
WORMWrite Once, Read Many
WPWordPerfect + Word Processing + Write Protected
WPMWords Per Minute
WRAMWindows RAM (graphics card)
WSWordStar + Workstation
WWWWorld Wide Web
WYSIWYGWhat You See Is What You Get
XGAExtended Graphics Array (IBM)( generically, 1024×768 color standard
XHTMLExtensible Hyper Text Markup Language
XMFExtensible Music File
XMLExtensible Markup Language
XMSExtended Memory Specification
XSLExtensible Style Language
XTExtended Technology
YahooYet Another Hierarchical Officious Oracle
ZiBZebi Byte
ZIFZero-Insertion Force (socket)
ABCAtanasoff Berry Computer
ACMAssociation for Computing Machinery
AIArtificial Intelligence
ALGOLAlgorithic Language
ALUArithmetic Logic Unit
AMDAdvanced Micro Devices
ARPANETAdvanced Research Project Agency Network
ASCIIAmerican Standard Code for Information Interchange
BASICBeginners All-purpose Symbolic Instruction Code
BCDBinary Coded Decimal
BIOSBasic Inpute Output System
BIPSBillions of Instructions Per Second
BPIBytes Per Inch
CADComputer Aided Design
CAEComputer Aided Engineering
CANCampus Area Network
CASEComputer Aided Software Engineering
CDCompact Disk
CDCControl Data Corporation
CD-ROMCompact Disk Read Only Memory
CD-RWCD Read/Write
CLCommand Language
CLICommand Line Interface
COBOLCommon Business Oriented
CODASYLConference On Data Systems
CPUCentral Processing Unit
CRTCathode Ray Tube
DATDigital Audio Tape
DBMSData Base Management System
DBSDemand Based Switching
DDLData Definition Language
DDSDigital Data Storage
DECDigital Equipment Corporation
DMADirect Memory Access
DNADigital Network Architecture
DPIDots Per Inch
DSNDistributed Systems Network
DTSDigital Theater System
DVDDigital Video/Versatile Disk
EBCDICExtended Binary Coded Decimal Interchange Code
EDSACElectronic Delay Storage Automatic Calculator
EDVACElectronic Discrete Variable Automatic Calculator
EFMEight-to-Fourteen Modulation
ENIACElectronic Numerical Integrator And Calculator
EPGElectronic Programming Guide
EPICExplicitly Parallel Instruction Computing
EPROMErasable Programmable Read-Only Memory
FATFile Allocation Table
FDMFrequency Division Multiplexing
FEPFront End Processor
FLOPSFloating Point Operations Per Second
FMFrequency Modulation
FMSFile Management System
FSKFrequency Shift Keying
FTPFile Transfer Protocol
GBGiga Bytes
GHzGiga Hertz
GNUGnu Not Unix
GPRSGeneral Packet Radio Service
GSMGlobal System for Mobile communication
GUIGraphical User Interface
HPHewlett Packard
HSSHierarchical Storage System
HTMLHyperText Markup Language
HTTPHyperText Transport Protocol
IBMInternational Business Machine
ICIntegrated Circuit
IDNIntegrated Digital Networks
IPInternet Protocol
IrDAInfrared Data Association
ISDNIntegrated Services Digital Network
ISPInternet Service Provider
JPEGJoint Photographic Experts Group
JREJava Runtime Engine
JSPJava Server Pages
KBKilo Bytes
KHzKilo Hertz
LANLocal Area Network
LCDLiquid Crystal Display
LEDLight Emitting Diode
LPMLine Per Minute
LSILarge Scael Integration
MANMetropolitan Area Network
MARMemory Address Register
MBMega Bytes
MBRMemory Buffer Register
MHzMega Hertz
MIDIMusical Instrument Digital Interface
MIPSMillions of Instructions Per Second
MNPMicrocom Network Protocol
MPEGMoving Pictures Experts Group
MS-DOSMicroSoft Disk Operating System
MVTMultiprogramming with Variable Tasks
NICNetwork Interface Card
NICNETNational Informatics Center NETwork
NOSNetwork Operating System
OCROptical Character Recognition
OMROptical Mark Reader
OSOperating System
OSIOpen System Interconnection
OSSOpen Source Software
PANPersonal Area Network
PCPersonal Computer
PDFPortable Document Format
PDLProgram Design Language
PDPProgram Data Processor
PIPPeripheral Interchange Program
PROMProgrammable Read-Only Memory
QoSQuality of Service
RAMRandom Access Memory
ROMRead Only Memory
SDLCSoftware Development Life Cycle
SEQUELStructured English QUEry Language
SGMLSyntax for Generalized Markup Language
SNASystems Network Architecture
SQLStructured Query Language
SSISmall Scale Integration
TBTera Bytes
TCPTransport Control Protocol
TDMTime Division Multiplexing
ULSIUltra Large Scale Integration
UPCUniversal Product Code
URLUniform Resource Locator
USBUniversal Serial Bus
UTFUnicode Transformation Format
VANValue Added Network
VCRVideo Cassette Recorder
VDTVideo Display Terminal
VSATVery Small Aperture Terminal
WLLWireless Local Loop
X.400Electronic Mail Protocol
X.500Directory Server Protocol

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