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