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  The Difference Engine, designed by Charles Babbage, is a mechanical calculator.
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  This was for broadcasting messages over long distances.
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  This computer was designed and built by Alan Turing and Tommy Flowers. It was used to decrypt the german codes.
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  This was a very advanced electronic calculator.
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  This was the first programming language.
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  This was the first computer mouse.
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  This was a way to communicate through electronics.
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  This was a more convenient way to store and play files.
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  This is the most used modern search engine
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  A modern game console viewed on a television.