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When the word computer was invented
The word "computer" was first recorded as being used in 1613 and originally was used to describe a human who performed calculations or computations. The definition of a computer remained the same until the end of the 19th century, when the industrial revolution gave rise to machines whose primary purpose was calculating.
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Punch card computers
In France, Joseph Marie Jacquard invents a loom that uses punched wooden cards to automatically weave fabric designs. Early computers would use similar punch cards.
[http://www.livescience.com/20718-computer-history.html] -
When it was first proposed
The Turing machine was first proposed by Alan Turing in 1936 and became the foundation for theories about computing and computers.
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Attempts first computer
J.V. Atanasoff, a professor of physics and mathematics at Iowa State University, attempts to build the first computer without gears, cams, belts or shafts.
[http://www.livescience.com/20718-computer-history.html] -
Number Computer
In 1939, Bell Telephone Laboratories completes this calculator, designed by scientist George Stibitz. In 1940, Stibitz demonstrated the CNC at an American Mathematical Society conference held at Dartmouth College.
[http://www.computerhistory.org/timeline/computers/#169ebbe2ad45559efbc6eb357208b387] -
The first Bombe is completed
Built as an electromechanical mechanical means of decrypting Nazi ENIGMA-based military communications during World War II, the British Bombe is conceived of by computer pioneer Alan Turing and Harold Keen of the British Tabulating Machine Company.
[http://www.computerhistory.org/timeline/computers/#169ebbe2ad45559efbc6eb357208b387] -
First electrical programmable computer
The Colossus was the first electric programmable computer, developed by Tommy Flowers, and first demonstrated in December 1943.
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First commercial computer
. In 1951 the first computer for commercial use was introduced to the public; the Universal Automatic Computer (UNIVAC 1).
[http://people.bu.edu/baws/brief%20computer%20history.html] -
International Business computer
In 1953 the International Business Machine (IBM) 650 and 700 series computers made their mark in the computer world.
[http://people.bu.edu/baws/brief%20computer%20history.html] -
The ENIAC
The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946.
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