AT= Advance Technology
ALU = Arithmetic and Logic Unit
BIOS = Basic Input Output System
CD = Compact Disk
CPU= Central Processing Unit
CU= Control Unit
CRT= Cathode Ray Tube
DOS= Disk Operating System
DNS= Domain Naming System
DVD= Digital Versalite Disc
http= hypertext transfer protocol
ISP= Internet Service Provider
IPS= Instant Power Supply
LCD= Liquid Crystal Display
MAC= Media Access Control
MAN= Metropolitan Area Network
NIC= Network Interface Card
OMR= Optical Mark Reader
OCR= Optical Character Reader
ROM= Read Only Memory
RAM= Random Access Memory
USB= Universal Serial Bus
UPS= Uninterrupted Power Supply
VOIP= Voice Over Internet Protocol
www= world wide web
WAN= Wide Area Network