Computer Abbreviation from A to Z.
ABC
Atnasoff Berry Computer
AC
Alternating Current
Admin
Administrator
AGP
Accelerated Graphs Port
AI
Artificial Intelligence
ALGOL
Algorithmic Oriented Language
ALU
Arithmetic Logic Unit
AM
Amplitude Modulation
a. m
Ante Meridian
ANSI
American National Standards Institute
API
Application Programming Interface
ARPA
Advance Research Project Agency
ARPANET
Advance Research Project Agency Network
ASCII
American Standard Code for Information Interchange
ASP
Active Server Page
ATM
Automated Teller Machine
.bat
Batch
BASIC
Beginners All Symbolic Instruction Code
BSS
Bulletin Board System
BCC
Blind Carbon Copy
BCD
Binary Coded Decimal
BCR
Bar Code Reader
BINAC
Binary Automatic Computer
BIOS
Basic Input Output
Bits
Binary Digits
BOF
Beginning of File
BPS
Bits Per Second
CC
Carbon Copy
CAD
Computer Aided Designing
CAI
Computer Aided Instruction
CAL
Computer Assisted Learning
CD
Compact Disk
CD / RW
Compact Disk Read and Write
CD-ROM
Compact Disk Read Only Memory
CGA
Colored Graphics Adapter
CIS
Computer Information System
CMOS
Complementary Metallic Oxide Semiconductor
COBOL
Common Business Oriented Language
COM
Computer Output to Microfilm
CON
Console
PC/M
Computer Program For Microcomputers
CPS
Character Per Second
CPU
Central Processing Unit
CRT
Cathode Ray Tube
CTR
Computing Tabulating Recording
CU
Control Unit
CUI
Character User Interface
DC
Direct Current
DCS
Desktop Color Separations
DCU
Device Control Unit
DDE
Dynamic Data Exchange
DIMM
Dual In-line Memory Module
DIP
Dual Inline Package
DLL
Dynamic Linked Library
DMA
Direct Memory Access
DNS
Domain System
DOS
Disk Operating System
DPI
Dots Per Inch
DPMS
Display Power Management Signaling
DRAM
Dynamic Random Access Memory
DSHD
Double Sided High Density
DSI
Data System International
DTE
Data Terminal Equipment
DVD
Digital Video Disk / Digital Versatile Disk

EB
Exa byte
EDB
External Data Bus
EDP
Electronic Data Processing
EDSAC
Electronic Delay Storage Automatic Computer
EDVAC
Electronic Discrete Variable Automatic Computer
EEPROM
Electronically Erasable and Programmable Read Only Memory
EGA
Enhanced Graphics Adapter
EIDE
Enhanced Integrated Drive Electronics
EISA
Extended Industry Standard Architecture
E-Mail
Electronic Mail
EMS
Expanded Memory System
ENIAC
Electronic Numerical Integrator and Calculator
EPROM
Erasable Programmable Read Only Memory
ESD
Electro Static Discharge
FAT
File Allocation Table
FDD
Floppy Disk Drive
F-Disk
Fixed Disk
FTP
File Transfer protocol
FM
Frequency Modulation
GaAs
Gallium Arsenide
GB
Giga Bytes
GDI
Graphical Device Interface
GIF
Graphic Interchange Format
GIGO
Garbage In - Garbage Out
GDP
General Protection Fault
GUI
Graphic User Interface
HDD
Hard Disk Drive
HMA
High Memory Area
HRR
Horizontal Refresh Rate
HTTP
Hyper Text Transfer Protocol
I/O
Input/Output
IBM
International Business Machine
IC
Integrated Circuit
ICL
International Computer Limited
IDE
Integrated Device Electronics
IEEE
Institute of Electrical and Electronics Engineers
IFF
Interchange File Format
IMS
Information Management System
IP
Internet Protocol
IRC
Internet Relay Chat
ISA
Industry Standard Architecture
ISD
International Subscriber Dialing
ISP
Internet Service Provider
IT
Information Technology
JPEG
Joint Photographic Expert Group
KB
Kilo Byte
LAN
Local Area Network
LBA
Logical Block Addressing
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LIM
Lotus Inter Microsoft
LPT
Line Printer
LSI
Large Scale Integration
LSIC
Large Scale Integrated Circuit
MAN
Metropolitan Area Network
MB
Mega Byte
MC
Master Copy
MCGA
Multi Coloured Graphic Adapter
MDA
Monochrome Display Adapter
MFM
Modified Frequency Modulation
MHz
Megahertz
MICR
Magnetic Ink Character Recognition
MIDI
Musical Instrument Digital Interface
MIME
Multipurpose Internet Mail Extensions
MIPS
Million Instructions Per Second
MODEM
Modulator and Demodulator
MOS
Metal Oxide Semiconductor
MS-DOS
Microsoft Disk Operating System
MSI
Medium Scale Integration
MU
Memory Unit
NAV
Norton Anti Virus
NCC
National Computer Center
NDD
Norton Disk Doctor
NTSC
National Television Standards Committee
OAS
Optical Automation System
OCP
Order Code Processor
OCR
Optical Character Recognition
ODD
Optical Disk Drive
OLE
Object Linking and Embedding
OMR
Optical Mark Reader (Recognition)
OS
Operating System
OS/2
Operating System -2
PB
Peta byte
PC
Personal Computer
PCI
Peripheral Component Interconnect
PDF
Portable Document Format
PIO
Programmed Input/Output
Pixel
Picture Element
PM
Post Meridiem
PNG
Portable Network Graphic
POST
Power On Self Test
PPP
Point to Point Protocol
PPTP
Point to Point Tunneling Protocol
PROM
Programming Read Only Memory
PS/2
Personal System 2
QBASIC
Quick Beginners All Purpose Symbolic Instruction Code
RAM
Random Access Memory
RPG
Report Program Generator
RISC
Reduced Instruction Set Computing
RJ
Radio Jockey
ROM
Read Only Memory
RPM
Revolutions Per Minute
.sys
System
SCP
System Control processor
SCSI
Small Computer System Interface
SIM
Subscriber Identity Module
SIMM
Single Inline Memory Module
SIPP
Single Inline Pinned Package
SMS
Sort Message Service
SMM
System Memory Management
SPA
Software Publisher Association
STP
Shielded Twisted Pair
SII
Small Scale Integrated
SVGA
Super Video Graphic Array
SW
Short Wave


TB
Tera Byte
TCP/IP
Transmission Control Protocol / Internet Protocol
ULSI
Ultra Large Scale Integration
UMB
Upper Memory Block
UNIVAC
Universal Automatic Computer
UPS
Uninterruptible Power Supply
URL
Uniform Resource Locator
USB
Universal Serial BUS
UTP
Unshielded Twisted Pair
VDM
Virtual Dos Machine
VDU
Visual Display Unit
VESA
Video Electronics Standards Association
VGA
Video Graphic Adapter
VLSI
Very Large Scale Integration
VPN
Virtual Private Network
VOIP
Voice Over Internet Protocol
VRR
Vertical Refresh Rate
WAN
Wide Area Network
WFP
Windows File Protection
WORM
Write Once Read Many Times
WWW
World Wide Web
XMS
Extended Memory Specification
XT
Extended Technology
YB
Yotta byte
ZB
Zetta byte
ZB
Zero bytes
ZIF
Zero-Insertion-Force