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The Apple II OS Computer is first released into the market
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The Apple III OS is released and considered to be the 'Sophisticated OS Computer'
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The Apple 'Lisa' OS is released and is the first computer to use Graphical User Interface
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The first portable computer is created and released by Apple
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Apple Macintosh Powerbook is released into the market
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Windows release their first program, Windows 3.1
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Microsoft release the Windows 95 which introduces Internet Explorer
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Apple release the Mac OS 8 computer program
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Microsoft release the Windows 200 program
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Apple release the Macbook and the Macbook Pro laptops and continue to do so into the present day
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Microsoft presents Windows 7 computer program and continues to update it to this day
