Some Importance full form name 
 1.) GOOGLE - Global Organization Of Oriented Group Language Of Earth.
2.) YAHOO - Yet another Hierarchical Officious Oracle.
3.) WINDOW - Wide Interactive Network Development for Office work Solution.
4.) COMPUTER - Common Oriented Machine Particularly United and used under Technical and Educational Research.
5.) VIRUS - Vital Information Resources Under Siege.
6.) UMTS - Universal Mobile Telecommunications System.
 7.) AMOLED - Active-matrix organic lightemitting diode.
 8.) OLED - Organic light-emitting diode.
 9.) IMEI - International Mobile Equipment Identity.
10.) ESN - Electronic Serial Number.
 11.) UPS - Uninterruptiblepower supply.
 12. HDMI - High-DefinitionMultimedia Interface.
 13.) VPN - Virtual private network.
 14.) APN - Access Point Name.
 15.) SIM - Subscriber Identity Module.
 16.) LED - Light emitting diode.
 17.) DLNA - Digital Living Networks Alliance
18.) RAM - Random access memory.
 19.) ROM - Read only memory.
20.) VGA - Video Graphics Array.
 21.) QVGA - Quarter Video Graphics Array.
22.) WVGA - Wide video graphics array.
 23.) WXGA - Widescreen Extended Graphics Array.
 24.) USB - Universal serial Bus.
 25.) WLAN - Wireless Local Area Network.
26.) PPI - Pixels Per Inch.
27.) LCD - Liquid Crystal Display.
28.) HSDPA - High speed down-link packet access.
29.) HSUPA - High-Speed Uplink Packet Access.
30.) HSPA - High Speed Packet Access.
31.) GPRS - General Packet Radio Service.
32.) EDGE - Enhanced Data Rates for Globa Evolution.
33.) NFC - Near field communication.
34.) OTG - On-the-go.
35.) S-LCD - Super Liquid Crystal Display.
36.) O.S. - Operating system.
37.) SNS - Social network service.
38.) H.S - HOTSPOT.
39.) P.O.I - Point of interest.
40.) GPS - Global Positioning System.
41.) DVD - Digital Video Disk.
42.) DTP - Desk top publishing.
43.) DNSE - Digital natural sound engine.
44.) OVI - Ohio Video Intranet.
45.) CDMA - Code Division Multiple Access.
46.) WCDMA - Wide-band Code Division Multiple Access.
47.) GSM - Global System for Mobile Communications.
 48.) WI-FI - Wireless Fidelity.
49.) DIVX - Digital internet video access.
50.) APK - Authenticated public key.
51.) J2ME - Java 2 micro edition.
52.) SIS - Installation source.
53.) DELL - Digital electronic link library.
54.) ACER - Acquisition Collaboration ExperimentationReflection.
55.) RSS - Really simple syndication.
56.) TFT - Thin film transistor.
57.) AMR- Adaptive Multi-Rate.
58.) MPEG - moving pictures experts group.
59.) IVRS - Interactive Voice Response System.
60.) HP - Hewlett Packard