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It is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions
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It was not until the 1940's that the first general-purpose computers were actually built, more than a century after Babbage had proposed the pioneering Analytical Engine in 1837.
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Von Neumann architecture is is a design of computer system where there essentially three different entities, a processing unit, an i/o unit and a storage unit.
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February 15, 1946,ENIAC was the first electronic general-purpose computer.
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UNIVAC was the first commercial computer produced in the United States.
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High-level programming language is a programming language with strong abstraction from the details of the computer.
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Professor Richard Mattessich pioneered the development of computerized spreadsheets for use in business accounting.
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This system is a family of multitasking, multi user computer operating systems that derive from the original AT&T Unix.
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Ed Roberts coined the term "personal computer" when he introduced the Altair 8800.
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Popular Electronics, a small advertisement announced the Altair 8080 computer.
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The first Cray®-1 system was installed at Los Alamos National Laboratory in 1976.The Cray-1 was the world's first "supercomputer".
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Apple was created to develop and sell personal computers, more recently it has been more focused on consumer electronics.
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January 24, 1984- Macintosh is series of personal computers originally created by Steve Jobs
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Microsoft Windows is a meta family of graphical operating systems developed, marketed, and sold by Microsoft.
