1.) Keyboard — Christopher Latham Sholes (1819-90)
2.) Transistor — John Bardeen, Walter Houser Brattain & Wiliam Shockley (1947-48).
3.) RAM — 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.) Mouse — Douglas Engelbart (1964).
8.) Laser Printer — Gary Starkweather at XEROX in 1969.
9.) Floppy Disk — Yoshiro Nakamatsu (1960's).
10.) Microprocessor — Masatoshi Shima, Marcian Hoff & Stanley Mazor – Intel 4004 (1971).
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