Important abbreviations related to internet.

FM  –> Frequency Modulation
SIM –> Subscriber Identity Module
RIM –> Removable Identity Module
GSM –> Global System For Mobile


LAN –> Local Area Network
WAN –> Wide Area Network
RTE –> Rich Text Format
MAN –> Metropolitan Area Network
URL –> Uniform Resource Locator
ISP –> Inter Net Service Provide
@ –> At The Rate Of
DVD –> Digital Versatile Disk
CD –> Compact Disk
EDGE –> Enhanced Data for GSM Evolution
GPRS –> General Packet Radio Service
FDM –> Frequency Division Multiplexing
SDR –> Software Defined Radio
ATM –> Asynchronous Transfer Mode
DCA –> Dynamic Channel Allocation
FCA –> Fixed Channel Allocation
AMPS –> Advance Mobile Phone System
IMTS –> Improved Mobile Telephone System
CDMA –> Code Division Multiple Access
MTSO –> Mobile Telephone Switching Office
HTTP –> Hypertext Transfer Protocol
FIDI –> Fiber Distributed Data Interface
ISDN –> Integrated Services Digital Network
PSTN –> Public Switched Telephone Network
CSMA –> Carrier Sense Multiple Access
RADAR –> Radio Detection AndRanging
SONET –> Synchronous Optical Fiber Network
DAMPS –> Digital Advanced Mobile Phone System
WWW –> World Wide Web
IP –> Internet Protocol
TCP –> Transmission Control Protocol
HTML –> HyperText Markup Language
USB –> Universal Serial Bus
PAN -> Personal Area Network
TDM -> Time Division Multiplexing.