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Computer History


inventor invention-date
Blaise pascal pascaline - 1642
Gottfried Wilhelm von Leibniz stepped reckoner -1670
Charles Babbage analytical engine - calculating machine that used punched cards to store info. -1842
Herman Hollerith tabulating machine 1890
John Atanasoff, Clifford Berry atanasoff-berry computer (ABC)-1939 / mark1 -1944
John Mauchly / J Presper Eckert electronic numerical integration and calculator-1946
Alan Turning the enigma -late 30's and 40's
Jon Von Neumann electronic discrete variable automatic computer - 1947
William Shockley, John Bardeenm and William Brittain. transitor-1947
Grace Murray Hopper common business oriented language
Jack Kilby 1st integrated circuit -1958
William Gates microsoft corporation-1975
Paul Allen microsoft corporation-1975
Thomas Knoll and John Knoll photoshop 1988
Adam fischer, peter halacsy, peter arvai Prezi 2008
Created by: vbuniag