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The abacus, the first known calculator, was invented in Babylonia
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Pingala invented the binary number system http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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John Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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Calculating Clock Invented by Wilhelm Schickard
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Gottfried Leibniz is known as one of the founding fathers of calculus http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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Samuel Morse invents Morse code http://www.computerhistory.org/timeline
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Boolean algebra: Boolean algebra is invented by George Boole
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: Herman Hollerith forms the Tabulating Machine Company which later becomes IBM http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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IBM is formed on June 15, 1911 http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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Vannevar Bush develops a partly electronic Difference Engine
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Alan Turing develops the code-breaking machine Colossus
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F.C. Williams develops his cathode-ray tube (CRT) storing device the forerunner to random-access memory (RAM)
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Donald Watts Davies joins Alan Turing to build the fastest digital computer in England at the time, the Pilot ACE
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Sputnik I and Sputnik II: Sputnik I and Sputnik II are launched by the Russians
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ARPA (Advanced Research Projects Agency) and NASA is formed
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General Motors puts the first industrial robot, Unimate, to work in a New Jersey factory.
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Pocket calculator was invented by Sharp Corporation
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E-mail was invented by Ray Tomlinson
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Atari releases Pong, the first commercial video game http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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The compact disc is invented in the United States.
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Apple Computers was founded Steve Wozniak and Steve Jobs
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Apple introduces the Macintosh with mouse and window interface http://www.datesandevents.org/events-timelines/07-computer-history-timeline.htm
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The World Wide Web is launched to the public http://www.computerhistory.org/timeline
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Bill Gates introduces the Xbox on January 7th 2001.
