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Computer History
Timeline
| Inventor | Invention |
|---|---|
| Blaise Pascal (1623-1662) | Pascaline (1642) |
| Gottfried Wilhelm Von Leibniz (1646-1716) | Stepped Reckoner (1670) |
| Charles Babbage (1792-1871) | Analytical Engine-calculating machine (1842) |
| Herman Hollerith (1860-1929) | Tabulating Machine (1890) |
| John Atanasoff (1903-1995) Clifford Berry (1918-1963) | Atanasoff-Berry Computer: ABC. (1939) |
| Howard H. Aiken | Howard Mark I (1944) |
| John Mauchley (1907-1980) J. Presper Eckert (1919-1995) | (Electronic Numerical Integration and Calculator) ENIAC (1946) |
| Alan Turing (1912-1954) | Turing Machine "Enigma" (1918) |
| Jon von Neumann (1903-1957) | Electronic Discrete Variable Automatic Computer (1947) Electronic Delay storage Automatic Calculator (1949) |
| William Shockley, John Bardeen and Walter Brittain | Transistor (1947) |
| Grace Murray Hopper | COBOL (1959) |
| Jack Kilby (1923-2005) | 1st integrated circuit (1958) 1st hand held Calculator |
| William Gates II (1951) | Microsoft company (1975) |
| Paul Allen (1953) | Co-founder of Microsoft corporation (1975) |
| Thomas knoll john knoll | Adobe photoshop,(1988) |
| Adam somlai Peter Halacy Peter Arvai | PREZI (2009) |