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Computer History

Timeline

InventorInvention
Blaise Pascal 1623-1662 Mechanical calculating device called Pascaline. 1642
Gottfried Wilhelm von Leibniz 1646-1716 Stepped Reckoner in 1670.
Charles Babbage 1792-1871 Analytical Engine- Calculating machine. 1842
Herman Hollerith 1860-1929 Tabulating Machine in 1890
John Atanasoff 1903-1995 computer ABC
J. Presper Eckert 1919-1995 military project that was top secret.
Alan Turing 1912-1954 developed idea of a universal machine in the late 30's and 40's
Jon von Neuman 1903-1957 built the EDVAC (Electronic Discrete Variable Automatic Computer)
William Shockley, John Bardeen and Walter Brittain transistor
Grace Murray Hopper 1906-1992 designed COBOL (Common Business Oriented Language)
Jack Kilby 1923-2005 1st hand-held calculator
William "Bill" Gates III -October 28, 1951 Microsoft Corporation
Paul Allen -January 21, 1953 owner of Portland Trail Blazers
Thomas & John Knoll software engineers, creators of Adobe Photoshop
Mark 1- Howard H. Aiken 1944 first large scale automatic digital computer
John Mauchly 1907-1980 ENIAC (Electrical numeral integration and calculator)
Ethernet Computer Networking Electrical engineer
Arpanet
PREZI
Created by: ydatabora