1. Sir Tim Berners-Lee – World

Wide Web
2. Vint Cerf And Bob Kahn – TCP/
IP
3. Larry Page and Sergey Brin –
Google Inc. 4. David Filo and Jerry Yang –
Yahoo! Inc.
5. Bill Gates – Microsoft
6. Steven Paul Jobs – Apple Inc.
7. Mark Zuckerberg – Facebook
8. Chad Hurley and Steve Chen – YouTube
9. Linus Torvalds – Linux
10. Jack Dorsey – Twitter
11. Kevin Rose – Digg
12. Bram Cohen – BitTorrent
13. Mike Morhaime – Blizzard Entertainment
14. Jimmy Wales – Wikipedia
15. Jeff Preston Bezos – Amazon
16. Shawn Fanning – Napster,
Rupture
17. Pierre Omidyar – eBay 18. Jack Ma – Alibaba
19. Craig Newmark – Craigslist
20. Matt Mullenweg –
WordPress
21. Thomas Anderson –
MySpace 22. Garrett Camp –
StumbleUpon
23. Jon Postel – Internet Pioneer
24. Caterina Fake – Flickr
25. Marc Andreessen – Netscape



 INVENTIONS
 1:Key board— Herman Hollerith, first keypunch
devices in 1930’s
-
2:Transistor— John Bardeen, Walter Brattain & Wiliam
Shockley ( 1947-48)
-
3:RAM— An Wang and Jay Forrester (1951)
-
4:Trackball— Tom Cranston and Fred Longstaff (1952)
-
5:Hard Disk— IBM , The IBM Model 350 Disk File (1956 )
-
6:Integrated Circuit— Jack Kilby & Robert Noyce
( 1958)
-
7:Computer Mouse — Douglas Engelbart (1964)
-
8:Laser printer— Gary Starkweather at XEROX in1969.
-
9:Floppy Disk— Alan Shugart &IBM( 1970)
-
10:Microprocess­or— Faggin, Hoff & Mazor – Intel 4004 (1971)

 DIFFERENT FILE FORMATS

1. TEXT FILES FORMATS:-
.txt Plain Text File
.doc Microsoft Word Document
.docx Microsoft Word Open XML Document
.msg Outlook Mail Message
.wps Microsoft Word Processor Document
.tex LaTex Source Document
.rtf Rich Text File
.log Log File
.pages Pages Document
.odt Open Document Text Document
.wpd Word Perfect Document
2. AUDIO FILES FORMAT:-
.wma Windows Media Audio File
.wav WAVE Audio File
.mid MIDI File
.mp3 MP3 Audio File
.mpa MPEG-2 Audio File
.m4a MPEG-4 Audio File
.m3u Media Playlist File
.iff Interchange File Format
.aif Audio Interchange File Format
.ra Real Audio File
3. VIDEO FILES FORMAT:-
.3gp 3GPP Multimedia File
.3g2 3GPP2 Multimedia File
.wmv Windows Media Video File
.swf Shockwave Flash Movie
.srt SubRip Subtitle File
.rm Real Media File
.mov Apple QuickTime Movie
.mp4 MPEG-4 Video File
.mpg MPEG Video File
.flv Flash Video File
.avi Audio Video Interleave File
.asf Advanced System File
.asx Microsoft ASF Redirector File
.vob DVD Video Object File
4. IMAGE FILES FORMAT:-
.bmp Bitmap File
.dds DirectDraw Surface
.dng Digital negative Image File
.gif Graphical Interchange File Format
.jpg JPEG Image
.png Portable Network Graphic
.psd Adobe Photoshop Document
.pspimage PaintShop Pro Image
.tga Targa Graphics
.thm Thumbnail Image File
.tif Tagged Image File
.yuv YUV Encoded Image File
5. 3-D IMAGE FILES FORMAT:-
.3dm Rhino 3D Model
.3ds 3D Studio Scene
.max 3ds Max Scene File
.obj WaveFront 3D Object File
6. EXECUTABLE FILES FORMAT:-
.apk Android Package File
.app Mac OS X Application
.bat DOS Batch File
.cgi Common Gateway Interface Script
.com DOS Command File
.exe Windows Executable File
.gadget Window Gadget
.jar Java Archive File
.pif Program Information File
.vb VBScript File
.wsf Windows Script File
7. WEB FILE FORMAT:-
.asp Active Server Pages
.aspx Active Server Pages Extended
.cer Internet security File
.cfm ColdFusion Markup File
.csr Certificate Signing Request File
.css Cascading Style Sheet
.html HyperText Markup Language
.js JavaScript File
.jsp Java Server Pages
.php PHP source Code File
.rss Rich Site Summary
.xhtml Extended HyperText Markup Language
8. COMPRESSED FILE FORMAT:-
.7z 7-zip Compressed File
.cbr Comic Book RAR Archive
.deb Debian Software Package
.gz Gnu Zipped Archive
.pkg Mac OS X Installer Package
.rar WinRAR Compressed Archive
.rpm Red Hat Package Manager File
.sit Stufflt Archive
.sitx Stufflt X Archieve
.tar.gz Compressed Tarball File
.zip Zipped File
.zipx Extended Zipped File

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