Inventors of Computer Hardware

1:Key board— 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 Model350 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:Microprocess-­or— Faggin, Hoff&Mazor – Intel 4004