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Computer history


Blaise Pascal Mechanical calculating device called Pascaline 1642
Gottfried Wilhelm von Lebniz Stepped Reckoner 1670
Charles Babbage Analytical Engine-calculating machine 1842
Herman Hollerith tabulating machine 1890
John Atansoff and Clifford Berry Atansoff-Berry computer (ABC) 1939
Mark 1 Large-scale automatic digital computer
John Mauchly and J. Presper Eckert ENIAC (Electronic Numerical Integration and Calculator 1946
Alan Turing Turing Machine "Enigma" late 30's and 40's
Jon von Neumann EDSAC ( Electronic Delay Storage Automatic Calculator) 1949
John Bardeen, William Shockley and Walter Brittain Transistor 1947
Grace Murray Hopper COBOL (Common Buisness Oriented Language)
Jack Kilby 1st integrated circuit 1958
William Gates III Microsoft Corporation 1975
Paul Allen Co-founder of microsoft Corporation 1975
Thomas Knoll and John Knoll Adobe Photoshop 1988
Adam Fischer Peter Halacsy Peter Arvai Prezi 2008
Created by: angiesuzuki