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Charles Babbage was a British mathematician. In the 1820s charles invented a six wheeled programming computer, which could perform mathematical calculations. He then made plans for working on a bigger and better computer the “difference engine 2”
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in 1939 hewlett Pachard was founded. David pachard and bill hewlett found hewlett packard in there own garage. Their first product was the HP 200A audio oscilator which becomes a popular piece of test equiptment for engineers.
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in 1940 the first complex calculator was completed. Bell telephone laboratories completed the calculator, designed by researcher George Stibitz
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in 1941 Konrad Zuse finishes the Z3 computer. The Z3 was an early computer built by German engineer Konrad Zuse working in complete isolation.
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in 1942 The Atanasoff-Berry Computer is completed. After successfully demonstrating a proof-of-concept prototype in 1939, Atanasoff received funds to build the full-scale machine.
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in 1945 John von Neumann wrote "First Draft of a Report on the EDVAC" in which he outlined the architecture of a stored-program computer.
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Founders Steve Jobs and Steve Wozniak created Apple Computer on April 1, 1976.