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In 1939, Bell Telephone Laboratories completed this calculator, invented by scientist George Stibitz. In 1940, Stibitz showed off the complex number calculator at an American Mathematical Society conference held at Dartmouth College.
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The Z3 computer was invented by Konrad Zuse in Berlin Germany. It was then destroyed in a bomb raid and when't under recreation. The new one is now on display at the Deutsches Museum in Munich.
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Designed by British engineer Tommy Flowers, the colossus was used to break the ciphers that the Germans used in World War II.
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The first fully entirely electronic High speed memory. The tube worked with a magnet that checked change in values.
