22/10/2013
INVENTORS OF COMPUTER HARDWARE:-
• Key board → Herman Hollerith, first
keypunch device in 1930’s
• Transistor → John Bardeen, Walter Brattain
& Wiliam Shockley (1947 - 1948)
• RAM → An Wang and Jay Forrester (1951)
• Trackball → Tom Cranston and Fred Longstaff
(1952)
• Hard Disk → IBM , The IBM Model 350 Disk
File (1956 )
• Integrated Circuit → Jack Kilby & Robert
Noyce (1958)
• Computer Mouse → Douglas Engelbart (1964)
• Laser printe → Gary Stark weather at XEROX
in 1969.
• Floppy Disk → Alan Shugart & IBM ( 1970)
• Microprocessor → Faggin, Hoff & Mazor –
Intel 4004