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Wednesday, 4 June 2014

INVENTORS OF COMPUTER HARDWARES

Inventors of Computer Hardwares: -

1:Keyboard— 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)

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