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The difference engine was made in 1821 and it was used to calculate math problems that were impossible by hand.
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it was never made
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it was used to breack the geman attack codes
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colosus was the first digital computer and was also used to breake the german attck codes in world war two.
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it was used to help the germans plan.
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it could do 5000 operations per second.
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it was used to analiyse millions of photos.
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it was a more advanced version of the CDC 6600
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The most latest computer and can almost fulfill any need of the user
