Computer Abbreviations and Acronyms

Computer abbreviations are the most used terms nowadays and its increasing. We should introduce our self with this computer abbreviations and acronyms.

For that reason we provide a large number of abbreviations and acronyms of computer below:

Computer abbreviations

3GL Third Generation Language
4GL Fourth Generation Language

Computer Abbreviations (A)

ACD Automatic Call Distributor
ACK Acknowledgement
ADT Abstract Data Type
ADSL Asymmetric Digital Subscriber Line
AGP Advanced Graphics Port
AI Artificial Intelligence
ALGOL Algorithmic Language
ALU Arithmetic Logic Unit
AM Amplitude Modulation
AMD Advanced Micro Devices
AMP Asymmetric Multi-Processing
ANSI American National Standards Institute
APDU Application Protocol Data Unit
API Application Program Interface
APT Automatically Programmed Tools
ARPANET Advanced Research Project Agency Network
ASCII American Standard Code for Information Interchange
AT Advanced Technology
AT & T American Telephone and Telegraph
ATM Automatic Teller Machine, Asynchronous Transmission Mode

Computer Abbreviations (B)

Computer Abbreviations and Acronyms
BASIC Beginner’s All-purpose Symbolic Instruction Code
BBS Bulletin Board System
BCD Binary Coded Decimal
BCS Bangladesh Computer Society Bangladesh Computer Samity
BERNET Bangladesh Education and Research Network
BIND Berkeley Internet Name Domain
BIOS Basic Input-output System
BIP Business information
BISDN Broadband Integrated Services Digital Network
Bit Binary digit
BOOTP Bootstrap Protocol
bps Bits per second

Computer Abbreviations (C)

CAD Computer Aided Design
CADMAT Computer Aided Design Manufacture and testing
CAI Computer-aided information
CAL Computer-aided Learning
CAM Computer Aided Manufacturing
CAS Content Addressable storage
CASE Computer Aided Software Engineering
CATV Community Antenna Television
CBT Computer Based Training
CCD Charge Coupled device
CCITT Consultative Committee of International Telegraphy and Telephony (Now called ITU-T)
CD Compact Disk
CD-ROM Compact Disk-Read Only Memory
CGA Color Graphics Adapter
CISC Complex Instruction set Computer
CMMU Cache Memory Management Unit
CMOS Complementary Metal Oxide Semiconductor
COBOL Common Business Oriented Language
CODASYL Committee on DAta Systems Language
COMDEX COMputer Dealers Exposition
CP/M Control Program for Microcomputers
CPI Characters Per Inch
CPU Central Processing Unit
CR Carriage Return
CRC Cyclic Redundancy Check
CREN Consortium for research and Education Network
CRT Cathode Ray Tube
CSMA/CD Carrier Sense Multiple Access with Collision
CSPDN Circuit Switched Public Data network
CSR Connected Speech Recognition
CU Control Unit
CWR Connected Word Recognition

Computer Abbreviations (D)

DASD Direct Access Storage Devices
DAT Digital Audio Tape
DAV Digital Audio Video
DBA DataBase Administration
DBMS DataBase Management System
DCA Document Content Architecture
DCE Data Circuit-termination Equipment
DCL Data  Control language
DDE Direct Data Entry, Dynamic Data Exchange
DDL Data Description Language, Dynamic Data Library
DDS Digital Data Service
DEC Digital Equipment Corporation
DFD Data Flow Diagram
DIP Dual In-Line Package
DLC Data Link Control
DMA Direct Memory Access
DML data Manipulation Language
DMS Digital Metropolitan Service
DNS Domain Name System
DOS Disk Operating System
DP Data Processing
dpi dots per inch
DQDB Distributed Que Dual Bus
DR Data Register
DRAM Dynamic Random Access Memory
DSL Data Sub-Language
DSP Digital Signal Processor
DSS Decision Support System
DTE Data Terminal Equipment
DTP Desk Top Publishing

Computer Abbreviations (E)

E-mail Electronic Mail
EAR Entity-Attribute-Relationship
EBCDIC Extended Binary Coded Decimal Interchange Code
ECMA Electronic Data Interchange for Administration, Commerce, and Transport
EDP Electronic  Data Processing
DEVAC Electronic Discrete Variable Automatic Computer
EEPROM Electrically Erasable Programmable Read Only Memory
EFT Electronic Funds Transfer
EFTPOS Electronic Funds Transfer at POint of Sale
EGA Enhanced Graphics Adapter
EIA Electronic Industries Association
EISA Enhanced Industry Standard Architecture
EMI Electro-Magnetic Interference
EMS Expanded Memory Specification
ENIAC Electronic Numerical Integrator and Calculator
EOF End-of-File
EPROM Erasable and Programmable Read Only Memory
ESDI Enhanced Small Device Interface
EU End-User
EWP Electronic White Page

Computer Abbreviations (F)

F.Keys Function Keys
FAQ Frequently Asked Questions
FAST  Federation Against Software Theft
FAT File Allocation Table
FAX Facsimile
FCC Federal Communications Commission
FCS Frame Check Sequence
FDC Floppy Disk Controller
FDD Floppy Disk Drive, Fixed Disk Drive
FDDI Fibre Distributed Data Interface
FDM Frequency Division Multiplexing
FEA Finite Element Analysis
FEP Front-End Processor
FF Form Feed, Flip-Flop
FGL Fourth Generation Language
FIFO First In First Out
FM Frequency Modulation
FRAM Ferromagnetic Random Access Memory
FSK Frequency Shift Keying
FTP File Transfer Protocol

Computer Abbreviations (G)

GB GigaByte
GHz Giga Herz
GIGO Garbage in Garbage Out
GIS Geographic Information System
GUI Graphical User Interface
GW-BASIC Gee Whiz! Beginner’s All-purpose Symbolic Instruction Code

Computer Abbreviations (H)

H-Zone Hyphenation-Zone
HCI Human Computer Interface
HD High Density
HDC Hard Disk Controller
HDD Hard Disk Drive
HDLC High-Level Data Link Control
HGC Hercules Graphics Card
HIPO CHART Hierarchical Input-Process-output Chart
HMA Higher Memory Block
HMI Horizontal Motion Index
HTML HyperText Markup Language
HWD Height/Width/Depth
Hz Hertz

Computer Abbreviations (I)

I/O Input/Output
IAB Internet Architecture Board
IAR Instruction Address Register
IBG Inter Block Gap
IBM International Business Machines
IC Integrated Circuit
ICMP Internet Control Message Protocol
IDE Integrated Drive Electronics
IDN Integrated Digital Network
IEE Institution of Electrical Engineers
IEEE Institute o Electrical and Electronics Engineers
IEN Internet Experiment Note
IETF Internet Engineering Task Force
IIL Integrated Injection Logic
IP Internet Protocol, Information processing
IPR Intellectual property Right
IPX Internetwork Packet Exchange
IR Instruction Register
IRC Internet Relay Chart
IRG Inter Record Gap
IRQ Interrupt ReQuest
ISA Industry Standard Architecture
ISAM Index Sequential Access Mode
ISDN Integrated Services Digital Network
ISO International Standards Organization
ISOC Internet Society
IT Information Technology
ITU-T International Telecommunication Union-Telecommunication
IWR Isolated Word Recognition

Computer Abbreviations (J)

JCL Job Control Language
JTM Job Transfer and Manipulation

Computer Abbreviations (K)

KB KiloByte
Kb Kilobit
 Kbps Kilobits per second
KPO Key Punch Operator

Computer Abbreviations (L)

LAN Local Area Network
LAP Link Access protocol
LAPB Link Access Protocol Balanced
LCD Liquid Crystal Display
LED Light Emitting Diode
LF Line Feed
LFU Least Frequency Used
LHN Long Haul Network
LIFO Last In First Out
LIM-EMS Lotus Intel Microsoft-Expanded Memory Specification
LIS  Land Information System
LLC Logical Link Control
LRC Longitudinal Redundancy Check
LSI Large-scale Integration

Computer Abbreviations (M)

MAC Medium Access Control
MAN Metropolitan Area Network
MAR Memory Address Register
Mb Megabit
MB Megabyte
Mbps Million bits per second
MBR Memory Buffer Register
MCA Micro Channel Architecture
MDA Monochrome Display Adapter
MDR Memory Data Register
MFD Mini Floppy Disk
MFLOPS Million Floating Point Operations Per Second
MHS Message Handling Service
MHz MegaHertz
MIB Management Information Base
MICR Magnetic Ink Character Reader
MIMD Multiple Instruction Multiple data
MIPS Million Instruction per second
MIS Management Information System
MMU Memory Management Unit
MOS Metal Oxide Semiconductor
MOTIS Message Oriented Text Interchange System
MPU Microprocessor Unit
MS MicroSoft, Message store
MS/DOS MircorSoft-Disk Operating System
MSI Medium Scale Integration
MTA Message Transfer Agent
MTBF Mean Time Between Failure
MUX Multiplexer

Computer Abbreviations (N)

NAK Negative Acknowledgement
NETBIOS NETwork Basic Input/Output System
NI Norton Index
NIC Network Information Centre, Network Interface Card
NL Natural Language
NLQ NonMaskable Interrupt
NMI NonMaskable interrupt
NOS Network Operating System
NPDU Network Protocol Data Unit
NPQ Near Photographic Quality
NRZ Non-return to Zero
ns Nanosecond
NSAP Network Service Access Point

Computer Abbreviations (O)

OCR Optical Character Reader/Recognition
ODD Optical Disk Drive
OEM Original Equipment Manufacturer
OHP Over Head Panel
OLE Object Linking and Embedding
OMR Optical Mark Reader
OOD Object-Oriented Design
OOP Object Oriented Design
OR Operation Research
OS/2 Operating System/2
OSF Open Software Foundation
OSI Open System Interconnection

Computer Abbreviations (P)

PABX Private Automatic Branch Exchange
PAL Phase Alternate Line, Programmable Array Logic
PAB Private Branch Exchange
PC Personal Computer, Program Counter
PCB Printed Circuit Board
PCI Peripheral Component Interconnect, Protocol Information
PCM Pulse Code Modulation
PDL Page Description Language
PDN Public Data Network
PDU Protocol Data Unit
PERT Progress Evaluation and Review Technique
PIN Personal Identification Number
PIO Parallel Input/Output
PL/1 Programming language 1
PLA Programmable Logic Array
PLL Phase Locked Loop
PM Phase Modulation
PMBX Private Manual Branch Exchange
POP Post Office Protocol
POS Power On Self Test
ppm Page Per Minute
PPP Point-to-point Protocol
PPU Protocol Data Unit
PROLOG PRogramming LOGin
PROM Programmable Read Only Memory
PSDN Packet-switched data Network
PSK Phase Shift Keying
PSPDN Packet Switched Public Data Network
PTT Post Telegraph and Telephone


QAM Quadrature Amplitude Modulation
QBE Query By Example

Computer Abbreviations (R)

RAID Redundant Array of Inexpensive Disks
RAM Random Access Memory
RDBMS Relational Database  Management System
RFI Radio Frequency Interference
RGB Red-Green-Blue
RISC Reduced Instruction Set Computer
RLL Run-Length-Limited
RMM Read-Mostly Memory
ROM Read Only Memory
RPG Report Programme Generator
RPROM ReProgrammable Read-only Memory
RSI Repetitive Strain Injury
RTS Request To Send

Computer Abbreviations (S)

SAA Systems  Application Architecture
SAP Service Access Point
SCR Sequence Control Register
SCSI Small computer system interface
SDLC Synchronous Data link Control
SIMD Single Instruction Multiple Data
SIMM Single in-line Memory module
SIPP Single in-Line  Pin profile
SISD Single  Instruction Single Data
SLIP Serial Line  Internet Protocol
SMP Symmetric Multiprocessing
SMTP Simple Mail transfer protocol
SNA Systems Network architecture
SNMP Simple Network  Management Protocol
SONET Synchronous Optical Network
SPARC Scalable Processor ARChitecture
SPC Stored Programme Control
SPEC Systems Performance Evaluation Cooperative
SQL Structured Query Language
SRAM Static Random Access Memory
SSD Single  Sided Disk
STP Shielded Twisted Pair
SVGA Super Video Graphics Array
SYSOP System OPerator

Computer Abbreviations (T)

TBU Tape Back-up Unit
TCP Transmission  Control Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
TDM Time Division Multiplexing
TE Terminal Equipment
TEI Terminal Endpoint Identifier
TIFF Tagged Image File  Format
TMOT Thermo-Magnetic –Optic Technology
TPDU Transport Protocol Data Unit
TPI Tracks per inch
TSR Terminate and  Stay Resident
TTL Transistor-Transistor  Logic
TTY Tele TYpewriter

Computer Abbreviations (U)

UART Universal Asynchronous Receiver-transmitter
UC Upward Compatibility
UDP User Datagram Protocol
UIMS User Interface Management System
UMB Upper Memory Block
UNICAC  Universal Automatic computer
UPC Universal  product code
UPS Uninterruptible Power Supply
URL Universal Resource Locator
USART Universal Synchronous Asynchronous Receiver-Transmitter
UTP Unshielded Twisted Pair
UUCP Unix-to-Unix Copy

Computer Abbreviations (V)

VAN Value Added Network
VC Virtual Circuit
VDE Voice Data Entry
VDT Visual Display terminal
VDU Visual Display Unit
VESA Video Electronics Standard Association
VGA Video Graphics Array
VLIW Very-Long-Instruction Word
VLSI Very Large Scale Integration
VM Virtual Memory
VRAM Video Random Access Memory
VRC Vertical Redundancy Check
VSAT Very Small Aperture Terminal
VT Virtual Terminal

Computer Abbreviations (W)

W3 World Wide Web
WAIS Wide Area Information Server
WAN Wide Area Network
WORM Write-Once-Many
WP Word Processing
WW Word Wrap
WWW World Wide Web
WYSIWYG What you see Is What You Get

Computer Abbreviations (X)

XGA Extended Graphics Array
XMS Extended Memory  Specification
XOR Exclusive OR
XT Extended Technology


YP Yellow Pages


ZWS Zero Wait State

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