1. Computer Mouse — Douglas Engelbart (1964)
2. Floppy Disk— Alan Shugart & IBM
3. Integrated Circuit— Jack Kilby & Robert Noyce( 1958)
4. Key board— Herman Hollerith – 1930’s
5. Microprocessor – Intel 4004 Computer
6. Transistor— John Bardeen, Walter Brattain & Wiliam Shockley ( 1947-48)
7. Trackball— Tom Cranston and Fred Longstaff (1952)
8. Hard Disk— The IBM Model 350 Disk File by IBM in 1956 (was the first hard disk drive and was part
of the IBM 305 RAMAC computer that IBM started delivering in)
9. Microprocessor— Faggin, Hoff & Mazor (1971)
10. RAM— An Wang at Harvard University’s Computation Lab and Jay Forrester at MIT.1951
11. First laptop— Grid Compass 1100 (called the GRiD) and was designed in 1979 by a British
industrial designer, Bill Moggridge.
12. Laser printer— Gary Starkweather at XEROX in 1969
13. First PC— the IBM 5100 Portable Computer by IBM
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