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  Concept for the first automatic computing engine, Analytical Engine, by Charles Babbage. Building completed in 1837. *Computerhope.com
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  Called the Z1. Created by Germany's Konrad Zuse in his parents living room. 1936-1938. *Computerhope.com
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  Atanasoff-Berry Computer, ABC, for digital computation. *Computerhope.com
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  Called Colossus. Developed by Tommy Flowers. *Computerhope.com
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  ENIAC. Considered to be the first digital computer because it was fully functional. *Computerhope.com
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  Electronic Controls Company *Computerhope.com
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  performed its first calculation. *Computerhope.com
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  computer-driven flight simulator trains MIT pilots. *Textbook
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  IBM 701. Also first electric computer. *Computerhope.com
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  Said to have done more arithmetic than the human race had ever done prior to 1945. *Computerhope.com
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  used by faculty/students for programming and shared utilities. 1960-1970.
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  by Ray Tomlinson. *Computerhope.com
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  schools begin using computers for instruction and administration *textbook
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  *textbook
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  cost effective solutions to address required standards
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  Lowered restrictions for law enforcment to search communication records. *Computerhope.com