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Alan Turing develops the concept of a theoretical computing machine.
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Konrad Zuse creates the Z1 Computer a binary digital computer using punch tape.
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Adolf Hitler uses the Enigma encryption machine.
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Donald Watts Davies joins Alan Turing to build the fastest digital computer in England at the time, the Pilot ACE.
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The first electronic computer is created in Japan by Hideo Yamachito.
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The first integrated circuit, or silicon chip, is produced by the US Jack Kilby & Robert Noyce.
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The first computer game Spacewar Computer Game invented BY Steve Russell & MIT.
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Douglas Engelbart invents and patents the first computer mouse (nicknamed the mouse because the tail came out the end.)
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Intel introduces the world's first available dynamic RAM ( random-access memory) chip and the first microprocessor, the Intel 4004.
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E-mail was invented by Ray Tomlinson.
