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Computer History


Blaise Pascal Pascaline- 1642
Gottfried Wilhelm von Leibniz Stepped Reckoner- 1670
Charles Babbage Analytical Engine- 1842
Herman Hollerith Tabulating machine- 1890
John Atanasoff and Clifford Berry Berry Computer(ABC)- 1939
Mark 1 ASCC (Automatic Sequence Controlled Calculator)- 1944
John Mauchly and J. Presper Eckert Electronic Numerical Integration and Calculator- 1946
Alan Turing Enigma- 1930's and 1940's
John Von Neumann EDVAC- 1947
William Shockley, John Bardeen and Walter Brittain Transistor- 1947
Grace Murray Hopper COBOL- 1960
Jack Kilby 1st integrated Circuit- 1958
William Gates 3 Microsoft Company- 1975
Paul Allen Co-founder of Microsoft Company- 1975
Thomas Knoll and John Knoll Adobe Photoshop- 1988
Adam Fischer Prezi- 2008
Alan Shugart Floppy Disk- 1967
Steve Russel 1st computer game "Space War"- 1962
Created by: renzen