INVENTORS OF COMPUTER HARDWARE

1. Key board — Herman Hollerith, first keypunch device in 1930’s
2. Transistor — John Bardeen, Walter Brattain & Wiliam Shockley (1947 - 1948)
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 Stark weather at XEROX in 1969.
9. Floppy Disk — Alan Shugart & IBM( 1970)
10. Microprocessor — Faggin, Hoff & Mazor – Intel 4004.