Important Abbreviations

Some important abbreviations related to Computer Science and Informatics Practices for CBSE Class XI/XII related to Computer Networking, Communication Technologies are listed below. These abbreviations are not listed in any order – all of them are important.

Most important abbreviations

1 TCP/IP Transmission Control
Protocol/Internet Protocol
2 NIC Network Interface Card
3 MAC Address Media Access Control address
4 FSF Free Software Foundation
5 TAP Terminal Access Point
6 PAN Personal Area Network
7 CAN Campus Area Network
8 UTP Cable Unshielded Twisted Pair Cable
9 STP Cable Shielded Twisted Pair Cable
10 CAT-5 cable Category-5 cable
11 WWW World Wide Web
12 GHz, Hz, MHz, KHz, THz Giga Hertz, Hertz, Mega Hertz, Kilo Hertz, Tera Hertz
13 PDA Personal Digital Assistant
14 LASER Light Amplification (by) Stimulated
Emission (of) Radiation
15 .bps, Bps bits per second, Bytes per second 
16 MODEM Modulation/Demodulation
17 P2P Point to Point
18 HTTP Hyper text Transfer Protocol
19 AM, FM, PM Amplitude Modulation, Frequency Modulation , Phase Modulation
20 MIME Multipurpose Internet Mail Extension
21 FTP  File Transfer Protocol
22 URL Uniform Resource Locator
23 ISP Internet Service Provider
24 PPP Point to Point Protocol
25 NCP Network Control Protocol
26 SIM Subscriber Identification Module
27 SMS Short Message Service
28 TDMA Time Division Multiple Access
29 CDMA Code Division Multiple Access
30 WLL Wireless in Local Loop
31 3G Third Generation
32 UMTS Universal Mobile Telecommunication
33 PSTN Public Switched Telephone Network
34 NFS Network File System
35 A/F Audio frequency
36 W3C World Wide Consortium
37 SMTP Simple Mail Transfer Protocol
38 Wi-Fi Wireless Fidelity
39 LAN, WAN, MAN Local Area Network, Wide Area Network, Metropolitan Area Network
40 VoIP Voice over Internet Protocol

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