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Computer History


Blaise Pascal Pascaline 1642
Gottfried Wilhelm von Leibniz Stepped Reckoner 1670
Charles Babbage Analytical Engine-calculating machine that use punched cards to store information in 1842
Herman Hollerith Invented the tabulating machine in 1890
John Atanasoff Clifford Berry Atanasoff-Berry computer 1939
Mark 1 Automatic Sequence Controlled calculator 1944
John Mauchly J. Presper Eckert Worked on Electronic Numerical Integration and Calculator in 1946
Alan Turing Enigma, idea of universal machine
Jon von Neumann Build the Electronic Discrete Variable Automatic Computer with Mauchly and Eckert in1947 Inspired the construction of Electronic Delay Storage Automatic Calculator in 1949
Transistor Invented in 1947 by William Shockley, john Bardeen and Walter Brittain. replaced many tube, make computer smaller
Grace Murray Hopper Common Business Oriented Language 1st programmer of the mark 1
Jack Kilby 1923-2005 Developed the first integrated Circuit in 1958 Invented the first hand hold calculator
William Gates III Founder of the Microsoft Corporation Start Microsoft company in 1975 with Paul Allen
Paul Allen Co-founder of the Microsoft corporation owner of the Portland Trail Blazers
Thomas Knoll John Knoll Adobe Photoshop 1988
Created by: lxcstevenliang