General abbrivations:

2D - two-dimensional
3D three-dimensional
4WD 4-wheel drive
CDMA - Code Division Multiple Access
GSM - Global System for Mobile Communication
TDMA - Time Division Multiple Access
PC - Personal Computer
RAM - Random Access Memory
CPU - Central Processing Unit
WWW - World Wide Web
UPS - Uninterruptible Power Supply
LAN - Local Area Network
WAN - Wide Area Network
MAN - Metropolitan Area Network
TCP/IP - Transmission Control Protocol/Internet Protocol
DOS - Disk Operating System
ROM - Read Only Memory
PROM - Programmable Read Only Memory
HTML - Hyper Text Markup Language
HTTP - Hyper Text Transfer Protocol
FTP - File Transfer Protocol
ATM - Automatic Teller Machine