Computer Abbreviations A to Z
A
AD Active Directory
ADC Analog to Digital Convertor
ARP Address Resolution Protocol
AH Active Hub
AI Artificial Intelligence
AL Active Link
ALGOL Algorithmic Language
ALU Arithmetic Logic Unit
AM Active Monitor
APCI Application layer Protocol Control Information
API Application Program Interface
ASCII American Standard Code for Information Interchange
ATM Automated Teller Machine
ADF Automatic Document Feeder
B
BINAC Binary Automatic Computer
Bcc Blind Carbon Copy
BMP Bitmap
BASIC Beginner’s All purpose Symbolic
Instruction Code
BCD Binary Coded Decimal
BCR Bar Code Reader
BD Blu-ray Disc
Bin Binary
BIOS Basic Input Output System
B2B Business to Business
Bit Binary Digit
BLOG Web Log
BPI Bytes/Bits Per Inch
BPL Broadband over Power Line
BPS Bits Per Second
BSNL Bharat Sanchar Nigam Limited
C
Cc Carbon Copy
CMOS Complementary Metal Oxide Semiconductor
CAD Computer Aided Design
COBOL Common Business Oriented Language
CD Compact Disc
COMAL Common Algorithmic Language
CPU Central Processing Unit
CRT Cathod Ray Tube
CSS Cascading Style Sheet
CU Control Unit
CTCP Client-To-Client Protocol
CD-R Compact Disc Recordable
CD-ROM Compact Disc Read Only Memory
CD-RW Compact Disc Rewritable
CD-R/W Compact Disc-Read/Write
CG Computer Graphics
CGI Common Gateway Interface
COM Common Object Mode
CLI Command Line Interface
CLR Common Language Runtime
CDMA Code Division Multiple Access
D
DAC Digital to Analog Convertor
DAP Directory Access Protocol
DB Database
DBA Database Administrator
DBMS Database Management System
DCC Direct Client-to-Client
DCL Data Control Language
DFS Distributed File System
DHTML Dynamic HyperText Markup Language
DLL Dynamic Link Library
DLP Digital Light Processing
DMA Direct Memory Access
DNS Domain Name System
DPI Dots Per Inch
DRAM Dynamic Random Access Memory
DRDO Defence Research and Development
Organisation
DSL Digital Subscriber Line
DTP Desktop Publishing
DVD Digital Video Disc/Digital Versatile Disc
DVD-R Digital Video Disc-Recordable
DVD-ROM DVD-Read Only Memory
DVD-RW DVD-Rewritable
DVR Digital Video Recorder
DOS Disk Operating System
E
EBCDIC Extended Binary Coded Decimal Interchange Code
E-Commerce Electronic Commerce
EDO Extended Data Out
EDP Electronic Data Processing
EDSAC Electronic Delay Storage Automatic Calculator
EEPROM Electrically Erasable Programmable Read Only Memory
E-Mail Electronic Mail
ENIAC Electronic Numerical Integrator And Computer
EOF End Of File
EPROM Erasable Programmable Read Only Memory
EXE Executable
EDI Electronic Data Interchange
F
FAT File Allocation Table
FAX Facsimile
FDC Floppy Disk Controller
FDD Floppy Disk Drive
FIFO First In First Out
FORTRAN Formula Translation
FPU Floating Point Unit
FS File System
FTP File Transfer Protocol
FPS Frame Per Second
FLOPS Floating Point Operations Per Second
FAQ Frequently Asked Question
G
Gb Gigabit
GB Gigabyte
GIF Graphics Interchange Format
GIGO Garbage In Garbage Out
GPU Graphics Processing Unit
GSM Global System for Mobile communication
GUI Graphical User Interface
H
HLL High Level Language
HPFS High Performance File System
HDD Hard Disk Drive
HSM Hierarchical Storage Management
HTML HyperText Markup Language
HTTP HyperText Transfer Protocol
I
IBM International Business Machine
IS Information System
IM Instant Message
IMAP Internet Message Access Protocol
iOS iphone Operating System
IP Internet Protocol
ISDN Integrated Services Digital Network
ISOC Internet Society
ISP Internet Service Provider
ISR Interrupt Service Routine
IT Information Technology
J
JPEG Joint Photographic Experts Group
JRE Java Runtime Environment
JS Java Script
K
Kb Kilobit
KB Kilobyte
KHz Kilohertz
Kbps Kilobit Per Second
L
LAN Local Area Network
LCD Liquid Crystal Display
LDU Liquid Display Unit
LED Light Emitting Diode
LIFO Last In First Out
LPI Lines Per Inch
LIPS List Processing
M
MAN Metropolitan Area Network
Mb Megabit
MB Megabyte
MBR Master Boot Record
MAC Media Access Control
MPEG Moving Picture Experts Group
MMS Multimedia Messaging Service
MIME Multipurpose Internet Mail Extensions
MSN Microsoft Network
MDI Multiple Document Interface
MICR Magnetic Ink Character Recognition
MIMO Multiple-Input Multiple-Output
MIPS Million Instructions Per Second
MIDI Musical Instrument Digital Interface
N
NFS Network File System
NIC Network Interface Card
NOS Network Operating System
O
OCR Optical Character Recognition
OMR Optical Mark Reader
OOP Object Oriented Programming
OS Operating System
OSS Open Source Software
OLE Object Linking and Embedding
P
P2P Peer-to-Peer
PAN Personal Area Network
PAP Password Authentication Protocol
PC Personal Computer
PCL Printed Command Language
PDF Portable Document Format
PDL Program Design Language
PIO Programmed Input/Output
PLA Programmable Logic Array
PL 1 Programming Language 1
PnP Plug and Play
POS Point Of Sales
PPM Pages Per Minute
PPP Point-to-Point Protocol
PPTP Point-to-Point Tunneling Protocol
PROM Programmable Read Only Memory
PSTN Public Switched Telephone Network
PSU Power Supply Unit
POST Power On Self Test
Q
QDR Quad Data Rate
QoS Quality of Service
QBE Query By Example
R
RAM Random Access Memory
RARP Reverse Address Resolution Protocol
RDBMS Relational Database Management System
RIP Routing Information Protocol
ROM Read Only Memory
ROMB Read Out Motherboard
RPG Report Program Generator
RTOS Real Time Operating System
RTF Rich Text Format
S
SaaS Software as a Service
SAN Storage Area Network
SCSI Small Computer System Interface
SDL Simple DirectMedia Layer
SMTP Simple Mail Transfer Protocol
SNOBOL String Oriented and Symbolic Language
SP Service Pack
SQL Structured Query Language
SRAM Static Random Access Memory
SVD Structured VLSI Design
SNMP Simple Network Management Protocol
SIM Subscriber Identification Module
T
TCP Transmission Control Protocol
TDMA Time Division Multiple Access
TTA True Tap Audio
TTF True Type Font
TTS Text-To-Speech
TTY Tele Type
TFT Thin-Film Transistor
TB Terabytes
U
UAC User Account Control
UI User Interface
UPS Uninterruptible Power Supply
URI Uniform Resource Identifier
URL Uniform Resource Locator
URN Uniform Resource Name
USB Universal Serial Bus
ULSI Ultra Large Scale Integration
UNIVAC Universal Automatic Computer
UTP Unshielded Twisted Pair
V
VAR Variable
VB Visual Basic
VDD Virtual Device Driver
VGA Video Graphics Array
VLAN Virtual Local Area Network
VM Virtual Memory
VMS Video Memory System
VPN Virtual Private Network
VT Video Terminal
VSNL Videsh Sanchar Nigam Limited
VDU Visual Display Unit
VLSI Very Large Scale Integration
VRAM Video Random Access Memory
W
WAN Wide Area Network
WAP Wireless Application Protocol
Wi-Fi Wireless Fidelity
WiMax Worldwide Interoperability for Microwave
Access
WINS Windows Internet Naming Service
WLAN Wireless Local Area Network
WMA Wireless Media Audio
WMV Wireless Media Video
WPA Wi-Fi Protected Access
WWAN Wireless Wide Area Network
WWW World Wide Web
WLL Wireless Local Loop
WORM Write Once Read Many
X
XHTML eXtensible HyperText Markup Language
XML eXtensible Markup Language
XNS Xerox Network Services
XUL XML User interface Language
Y
YB Yottabyte
Z
ZIFS Zero Insertion Force Socket
ZIP Zone Information Protocol
ZISC Zone Instruction Set Computer
ZMA Zone Multicast Address
ZNA Zone Network Administration
ZB Zettabyte