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Difference engine
The difference engine was made in 1821 and it was used to calculate math problems that were impossible by hand. -
Analytical Engine
it was never made -
Turning engine
it was used to breack the geman attack codes -
colosus
colosus was the first digital computer and was also used to breake the german attck codes in world war two. -
Plankalkül
it was used to help the germans plan. -
The eniac
it could do 5000 operations per second. -
The CDC 6600
it was used to analiyse millions of photos. -
CDC 7600
it was a more advanced version of the CDC 6600 -
Mac
The most latest computer and can almost fulfill any need of the user