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The first mechanical computer was created by Charles Babbage in 1822, it was calculating machine that was run by steam and was able to compute numbers.
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Alan Turing created the Turing Machine or "a-machine" in 1936. It was capable of computing anything computable. The modern computer was based on this ideas.
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J.V. Atanasoff and Clifford Berry build the first computer without gears, cams, belts or shafts. This is the first time a computer is able to store information on its main memory, the first electronic digital computer.
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John Mauchly, builds the Electronic Numerical Integrator and Calculator (ENIAC).
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John Mauchly builds the UNIVAC, the first computer for business and government applications.
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Douglas Engelbart shows a prototype of the modern computer, with a mouse. The computer becomes more accessible to the public.
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The first IBM personal computer, it has an Intel chip, two floppy disks and an optional color monitor. It also popularizes the term PC.
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The Gavilan SC is the first portable computer that could be flipped open and first to be marketed as a "laptop."
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PCs became available for gaming as well.
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This computer becomes the first portable computer.
