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some usefull meaning

Unnamed

SIM- Subscriber Identity Module VOIP- Voice Over Internet Protocol
WWW- World Wide Web
Http- Hyper text transfer protocol GSM- Global System for Mobile VIRUS- Vital Information and Resources Under Seize
UPS- Uninterruptible Power Supply USB- Universal Serial Bus
UNIVAC- Universal Automatic Computer
IBM- International Businesses Machine
ISP- Internet Service Provider
FTP- File Transfer Protocol
MICR- Megnetic Ink Character Reader
URL- Uniform Resource Locator
CC- Carbon Copy
3G- Third Generation
ATM- Automated Teller Machine

DPI- Dot per inch
DBMS- Database Management System.
\ 1. PAN- Personal Area Network
2. LAN- Local Area Network
3. MAN- Metropolitan Area Network 4. WAN- Wide Area Network
5. WiFi- Wireless Fidelity
6. BOIS- Basic Input Output System 7. BCD- Binary Coded Decimal
8. CD- Compact Disk
9. DVD- Digital Versatile Disk
10. PC- Personal Computer
11. CPU- Central Processing Unit
12. CRT- Cathode Ray Tube
13. LCD-Liquid Crystal Display
14. LED- Light Emitting Diode
15. MB- Mega Byte
16. KB- Kilo Byte
17. DOS- Disk Operating System
18. HDD- Hard Disk Drive
19. IC- Integrated Circuit
20. NIC- Network Interface Card
21. OMR- Optical Mark Reader
22. OCR- Optical Character Reader 23. ROM- Read Only Memory
24. RAM- Random Access Memory 25. VGA- Video Graphics Array