Computer and Information Technology very Important Abbreviations :-

1. SIM (Abbreviation)— Subscriber Identity Module.
2. 3G (Abbreviation)— 3rd Generation.
3. GSM (Abbreviation)— Global System for Mobile Communication.

4. URL (Abbreviation)— Uniform Resource Locator.
5. IP (Abbreviation)— Internet Protocol.
6. VIRUS (Abbreviation)— Vital Information Resource Under Seized.
7. Wi-Fi (Abbreviation)— Wireless Fidelity.
8. HTTP (Abbreviation)— Hyper Text Transfer Protocol.
9. HTTPS (Abbreviation)— Hyper Text Transfer Protocol Secure.
10. CDMA (Abbreviation)— Code Divison Multiple Access.
11. UMTS (Abbreviation)— Universal Mobile Telecommunication System.
12. RTS (Abbreviation)— Real Time Streaming.
13. AVI (Abbreviation)— Audio Video Interleave.
14. SIS (Abbreviation)— Symbian OS Installer File.
15. AMR (Abbreviation)— Adaptive Multi-Rate Codec.
16. JAD (Abbreviation)— Java Application Descriptor.
17. JAR (Abbreviation)— Java Archive.

18. MP3 (Abbreviation)— MPEG player lll.
19. 3GPP (Abbreviation)— 3rd Generation Partnership Project.
20. 3GP (Abbreviation)— 3rd Generation Project.
21. MP4 (Abbreviation)— MPEG-4 video file.
22. AAC (Abbreviation)— Advanced Audio Coding.
23. GIF (Abbreviation)— Graphic Interchangeable Format.
24. BMP (Abbreviation)— Bitmap.
25. JPEG (Abbreviation)— Joint Photographic Expert Group.
26. SWF (Abbreviation)— Shock Wave Flash.
27. WMV (Abbreviation)— Windows Media Video.
28. WMA (Abbreviation)— Windows Media Audio.
29. WAV (Abbreviation)— Waveform Audio.
30. PNG (Abbreviation)— Portable Network Graphics.
31. DOC (Abbreviation)— Document (Microsoft Corporation).

32. PDF (Abbreviation)— Portable Document Format.
33. M3G (Abbreviation)— Mobile 3D Graphics.
34. M4A (Abbreviation)— MPEG-4 Audio File.
35. NTH (Abbreviation)— Nokia Theme (series 40).
36. THM (Abbreviation)— Themes (Sony Ericsson).
37. MMF (Abbreviation)— Synthetic Music Mobile Application File.
38. NRT (Abbreviation)— Nokia Ringtone.
39. XMF (Abbreviation)— Extensible Music File.
40. WBMP (Abbreviation)— Wireless Bitmap Image.
41. DVX (Abbreviation)— DivX Video.
42. HTML (Abbreviation)— Hyper Text Markup Language.
43. WML (Abbreviation)— Wireless Markup Language.
44. CD (Abbreviation)— Compact Disk.
45. DVD (Abbreviation)— Digital Versatile Disk.

46. CRT (Abbreviation)— Cathode Ray Tube.
47. DAT (Abbreviation)— Digital Audio Tape.
48. DOS (Abbreviation)— Disk Operating System.
49. GUI (Abbreviation)— Graphical User Interface.
50. ISP (Abbreviation)— Internet Service Provider.
51. TCP (Abbreviation)— Transmission Control Protocol.
52. UPS (Abbreviation)— Uninterruptible Power Supply.
53. HSDPA (Abbreviation)— High Speed Downlink Packet Access.
54. USB (Abbreviation)— Universal Serial Bus.
55. VHF (Abbreviation)— Very High Frequency.
56. UHF (Abbreviation)— Ultra High Frequency.
57. GPRS (Abbreviation)— General Packet Radio Service.

58. SMS (Abbreviation)— Short Message Sent.
59. ARPANET (Abbreviation)— Advanced Research Project Agency Network.
60. IBM (Abbreviation)— International Business Machines.
61. HP (Abbreviation)— Hewlett Packard.
62. AM/FM (Abbreviation)— Amplitude/ Frequency Modulation.
63. WLAN (Abbreviation)— Wireless Local Area Network.

64. WAP (Abbreviation)— Wireless Application Protocol.
65. EDGE (Abbreviation)— Enhanced Data Rate for GSM (Global System for Mobile Communication).