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During World War One, the Mark 1 computer was invented for ballistic calculations.
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The Z computer was invented in the 1930s which was the first computer to utilise the yes/no principle.
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In 1947, the transistor was invented so it could open and close a circuit.
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In 1951, the UNIVAC was invented
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IBM was formed and made their first computer in 1953, the 701.
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IBM made an improvement to the 701 and made the 704 in 1956.
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The world’s fastest computer, the IBM 7090, was released in 1960. Which is the beginning of the modern computers. FORTRAN was the first “easy” programming language, inspired by the IBM 701 and 704.
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In the 1980s IBM released the IBM PC for $4,000.
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Xerox made the Xerox Star 8010 in the 1980s which featured a Graphical User Interface.
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Steve Jobs, the founder of Apple Computers, Inc., visited Xerox and saw their GUI system and released Lisa in 1983 which failed due to how expensive it was. Apple then released a much cheaper computer, the Macintosh.
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Bill Gates founded Microsoft and visited Apple.
Microsoft then released Windows 1.0 in 1985. -
Microsoft then released Windows 2.0 in 1987 after countless lawsuits from Apple.
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Windows 95 was released by Microsoft.
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Apple released the iMac.
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Apple released its most powerful system, the Mac OSX in 2001.
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Windows XP was released in 2001 and was able to match the performance of the Mac OSX.
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Windows Vista was released in 2007 and was not as stable as the Mac OSX.