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 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