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Computer History
Timeliine
Inventor | Invention |
---|---|
Blaise Pascal | invented pascaline in 1642; performs only addition; never worked properly |
Gottfried Wilhelm von Leibniz | invented the stepped reckoner in 1670; first to employ function; add, multiply, subract and divide |
Charles Babbage | analytical engine-calculating machine that used punched cards to store information in 1842; ada byron: 1815-1852 evaluates any mathematical formula |
Herman Hollerith | invented the tabulating machine in 1890 |
John Atanasoff & Clifford Berry | ABC used binary number system used in computers today; 1939 |
Howard Aiken | 1944; Mark 1 |
John Mauchly | ENAC; 1946 |
Alan Turning | Turing Machine; 1930 or 1940 |
Jon von Newmann | EDVAC |
William Shockley, John Bardeen, Walter Brattain | Transistor; 1947 |
Jack Kilby | First Integrated Circuit |
William Gates III | Microsoft |
Thomas and John Knoll | Adobe Photoshop; 1988 |
Adam Fischer | Prezi |