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Tuesday, 14 January 2014

कंप्यूटर हार्डवेयर के आविष्कारक



1. Key board— Herman Hollerith, first keypunch
devices in 1930’s

2. Computer Mouse — Douglas Engelbart (1964)

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. Transistor— John Bardeen, Walter Brattain & Wiliam Shockley (1947-48)

8. Laser printer— Gary Starkweather at XEROX in 1969.

9. Floppy Disk— Alan Shugart & IBM ( 1970)

10. Microprocessor— Faggin, Hoff & Mazor – Intel 4004 (1971)