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Computer History
Timeline
| inventor | invention |
|---|---|
| Blaise Pascal | Pascaline . 1642 |
| Gottfried Wilhem von Leibniz | Stepped Reckoner . 1670 |
| Charles Baggage | Engine calculating machine . 1842 |
| Herman Hollerith | tabulating machine . 1890 |
| john atanasoff & clifford berry | atanasoff berry computer . 1939 |
| howard h. aiken | mark 1 . 1944 |
| john mauchly & j. presper eckert | worked on ENIAC (electrical numerical intergration and calculator ) 1946 |
| alan turing | called the turing machine . late 30's and 40's .. |
| jon von neumann | built the EDVAC (electronic discrete variable automatic computer) 1947.. |