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Computer History

Timeline

InventorInvention/Date
Blaise Pascal Pascaline 1642
Gottfried Willhelm von Leibniz Stepped Reckoner 1670
Charles Babbage Analytical Engine-calculating machine 1842
Herman Hollerith Punch Card Tabulating Machine 1890
John Atanasoff,Clifford Berry Atanasoff-Berry Computer(ABC) 1939
Howard H. Aiken Mark 1
John Mauchly,J. Presper Eckert Electronic Numerical Integration and Calculator(ENIAC) 1946
Alan Turing The Enigma late 30's-40's
Jon von Nuemann Electronic Discrete Variable Automatic Computer(EDVAC) 1947
William Shockley,John Bardeen,Walter Brittain Transistor 1947
Grace Murray Hopper Common Buisness Oriented Language(COBOL)
Jack Kilby 1st integrated Circuit 1958, 1st hand held calculator
William Gates 3 Founder Microsoft 1975
Paul Allen Co-founder Microsoft 1975
Thomas Knoll, John Knoll Adobe Photoshop 1988
Created by: Celyaaaaa