Lets us know about some important and daily routine using words

1. *PAN* - permanent account number.
2. *PDF* - portable document format.
3. *SIM* - Subscriber Identity Module.
4. *ATM* - Automated Teller machine.
5. *IFSC* - Indian Financial System Code.
6. *FSSAI (Fssai)* - Food Safety & Standards Authority of India.
7. *Wi-Fi* - Wireless fidelity.
8. *GOOGLE* - Global Organization Of Oriented Group Language Of Earth.
9. *YAHOO* - Yet Another Hierarchical Officious Oracle.
10. *WINDOW* - Wide Interactive Network Development for Office work Solution.
11. *COMPUTER* - Common Oriented Machine. Particularly United and used under Technical and    Educational Research.
12. *VIRUS* - Vital Information Resources Under Siege.
13. *UMTS* - Universal Mobile Telecommunications System.
14. *AMOLED* - Active-matrix organic light-emitting diode.
15. *OLED* - Organic light-emitting diode.
16. *IMEI* - International Mobile Equipment Identity.
17. *ESN* - Electronic Serial Number.
18. *UPS* - Uninterruptible power supply.
19. *HDMI* - High-Definition Multimedia Interface.
20. *VPN* - Virtual private network.
21. *APN* - Access Point Name.
22. *LED* - Light emitting diode.
23. *DLNA* - Digital Living Network Alliance.
24. *RAM* - Random access memory.
25. *ROM* - Read only memory.
26. *VGA* - Video Graphics Array.
27. *QVGA* - Quarter Video Graphics Array.
28. *WVGA* - Wide video graphics array.
29. *WXGA* - Widescreen Extended Graphics Array.
30. *USB* - Universal serial Bus.
31. *WLAN* - Wireless Local Area Network.
32. *LCD* - Liquid Crystal Display.
33. *HSDPA* - High speed down-link packet access.
34. *HSPA* - High Speed Packet Access.
35. *GPRS* - General Packet Radio Service.
36. *EDGE* - Enhanced Data Rates for Global 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. *CDMA* - Code Division Multiple Access.
49. *WCDMA* - Wide-band Code Division Multiple Access.
50. *GSM* - Global System for Mobile Communications.
51. *APK* - Authenticated public key.
52. *DELL* - Digital electronic link library.
53. *ACER* - Acquisition Collaboration Experimentation Reflection.
54. *RSS* - Really simple syndication.
55. *HP* - Hewlett Packard.