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Computer History


Inventor Invention
Blaise Pascal Pascaline in 1642
Gottfried Wilhelm von Leibniz Stepped Reckoner in 1670
Charles Babbage Analytical Engine-calculating machine in 1842
Herman Hollerith Tabulating machine in 1890
John Atanasoff and Clifford Berry Atanasoff-Berry Computer (ABC) in 1939
Mark 1 ASCC (Automatic Sequence Controlled Calculator)
John Mauchly and J. Presper Eckert ENIAC (Electric Numerical Integration and Calculator) in 1946
Alan Turing Turning Machine. The "Enigma" in the late 30's and 40's
Jon von Neumann EDVAC (Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947
William Shockley, John Bardeen and Walter Brittain Transistor in 1947
Grace Murray Hopper COBOL (Common Business Oriented Language)
William Gates III Founder of Microsoft Corporation and Started Microsoft Company with Paul Allen in 1975
Paul Allen Co-founder of Microsoft Corporation
Thomas Knoll and John Knoll Software Engineers, Creators of Adobe Photoshop in 1988
Created by: ntlawl