Check out some interesting abbreviations you do not know their meaning

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We use them without knowing their meaning.

1. PAN
   Primary Account Number.
2. PDF
   Portable Document Format.
3. SIM
   Subscriber Identity Module.
4. ATM
   Automated Teller Machine.
5. Wi-Fi
   Wireless Fidelity.
6. GOOGLE
   Global Organization of Oriented Group Language Of Earth.
7. YAHOO
   Yet Another Hierarchical Officious Oracle.
8. WINDOW
   Wide Interactive Network Development for
   Office work Solution.
9. COMPUTER
   Common Oriented Machine Particularly United
   & used under Technical & Educational Research
10. VIRUS
    Vital Information Resources Under Siege.
11. UMTS
    Universal Mobile Telecommunications System.
12. AMOLED
    Active-Matrix Organic Light-Emitting diode.
13. OLED
    Organic Light-Emitting diode.
14. IMEI
    International Mobile Equipment Identity.
15. ESN
    Electronic Serial Number.
16. UPS
    Uninterruptible Power Supply.
17. HDMI
    High-Definition Multimedia Interface.
18. VPN
    Virtual Private Network.
19. APN
    Access Point Name.
20. LED
    Light Emitting Diode.
21. DLNA
    Digital Living Network Alliance.
22. RAM
    Random Access Memory.
23. ROM
    Read only memory.
24. VGA
    Video Graphics Array.
25. QVGA
    Quarter Video Graphics Array.
26. WVGA
    Wide video Graphics Array.
27. WXGA
    Widescreen Extended Graphics Array.
28. USB
    Universal Serial Bus.
29. WLAN
    Wireless Local Area Network.
30. PPI
    Pixels Per Inch.
31. LCD
    Liquid Crystal Display.
32. HSDPA
    High Speed Down link Packet Access.
33. HSUPA
    High-Speed Uplink Packet Access.
34. HSPA
    High Speed Packet Access.
35. GPRS
    General Packet Radio Service.
36. EDGE
    Enhanced Data Rates for Globa Evolution.
37. NFC
    Near Field Communication.
38. OTG
    On-The-Go.
39. S-LCD
    Super Liquid Crystal Display.
40. O.S
    Operating System.
41. SNS
    Social Network Service.
42. H.S
    HOTSPOT.
43. P.O.I
    Point Of Interest.
44. GPS
    Global Positioning System.
45. DVD
    Digital Video Disk.
46. DTP
    Desk Top Publishing.
47. DNSE
    Digital Natural Sound Engine.
48. OVI
    Ohio Video Intranet.