Full forms of some commonly used IT related terms :
GSM : Global System for Mobile
SIM : Subscriber Identity Module
CDMA : Code division multiple access
WLL : Wireless local loop
CAS : conditional access system
DTH : direct to home
PUK : Pin Unlock Code
IrDA :Infrared Data Association
PMPO : Peak Music Power Output
Modem : modulate and demodulate
VIRUS - Vital Information Resources Under Seige
ISDN : Integrated Services Digital Network
USB : Universal Serial Bus
DVD : Digital Versatile Disc or Digital Video Disc
YAHOO : Yet Another Hierarchical Officious Oracle.
LCD : Liquid crystal display
TFT : thin film transistor
PS2 :PlayStation 2
ATM : Automated Teller Machine
Windows NT : windows network technology
INTERNET PROTOCOL TELEVISION or IPTV
WindowsXP : Windows 'eXPerience'
FAX : facsimile
UPS : uninterrupted power supply
BPO : Business Process Outsourcing
LASER : Light Amplification (by) Stimulated Emission (of) Radiation
NTFS : New Technology File System
GPRS : group pocket radio service
Wi-Fi-Wireless Fidility
MP3 : Motion Picture Expert Group Layer 3
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