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First freely programmable computer.
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The Harvard Mark 1 computer.
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IBM enters into 'The History of Computers'.
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The first successful high level programming language.
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The first computer game invented.
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The first microprocessor.
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Networking.
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The first consumer computers.
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The first home computer with a GUI, graphical user interface.
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The more affordable home computer with a GUI.
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Microsoft begins the friendly war with Apple.
