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Computer History
timeline
| inventor | invention-date |
|---|---|
| Blaise pascal | pascaline - 1642 |
| Gottfried Wilhelm von Leibniz | stepped reckoner -1670 |
| Charles Babbage | analytical engine - calculating machine that used punched cards to store info. -1842 |
| Herman Hollerith | tabulating machine 1890 |
| John Atanasoff, Clifford Berry | atanasoff-berry computer (ABC)-1939 / mark1 -1944 |
| John Mauchly / J Presper Eckert | electronic numerical integration and calculator-1946 |
| Alan Turning | the enigma -late 30's and 40's |
| Jon Von Neumann | electronic discrete variable automatic computer - 1947 |
| William Shockley, John Bardeenm and William Brittain. | transitor-1947 |
| Grace Murray Hopper | common business oriented language |
| Jack Kilby | 1st integrated circuit -1958 |
| William Gates | microsoft corporation-1975 |
| Paul Allen | microsoft corporation-1975 |
| Thomas Knoll and John Knoll | photoshop 1988 |
| Adam fischer, peter halacsy, peter arvai | Prezi 2008 |