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The Nazi Code Machine, Enigma, Is used by Adolph Hitler in WWII
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The American code-breaking machine, Colosuss, is created and used to combat Enigma.
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First transistor computer made at Bell Labs.
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The first silicon chip is made in the US
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The first computer game, Spacewar, is invented at MIT.
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The worlds first available dynamic RAM is created by Intel.
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Ward Christensen writes the programme "MODEM" allowing two microcomputers to exchange files with each other over a phone line
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The Windows OS is created by Microsoft.
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Over 1 billion PCs are said to have been sold.