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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 information in 1842. |
| Herman Hollerith | Tabulating machine. 1839 |
| John Atanasoff Clifford Berry | Atanasoff-berry computer. 1939 |
| Howard H. Aiken | Automatic Sequence Controlled Calculator. 1944 |
| John Mauchly J. Presper Eckert | electronic numeric intergration and calculator. 1946 |
| Alan Turning | Enigma. 1912 |
| Jon Von Neumann | Electronic Discrete Variable Automatic Computer. 1947 |
| William Shockley | Transistor. 1947 |
| Grace Murray Hopper | Common business Oriented language. 1906 |
| Jack Kilby | hand held calculator. 1958 |
| William Gates III | Founder of microsoft. 1975 |
| Paul Allen | Co finder of microsoft. |
| thomas knoll JOhn knoll | created adobe. 1988 |
| Peter Arvai Adam Solai-fisher Peter Halacsy | created Prezi. 2008 |