1. *PAN*

Permanent 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. *WINDOWS*

Wide Interactive Network Development for Office Work Solution.

9. *COMPUTER*

Common Oriented Machine.

Particularly United and used under Technical and Educational Research.

10. *VIRUS*

Vital Information Resources Under Siege.

11. *UMTS*

Universal Mobile Telecommunications System.

12. *AMOLED*

Active-Matrix Organic Light-

Emitting diode.

13. *IMEI*

International Mobile Equipment Identity.

14. *LED*

Light Emitting Diode.

15. *USB*

Universal Serial Bus.

16. *GPRS*

General Packet Radio Service.

17. *GSM*

Global System for Mobile Communications.

18. *DATE =*

Day and Time Evolution.

19.*PIN =* Personal Identification Number

20. *ETC*

End of Thinking Capacity