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History of Computers

This presentation is designed to give information about the history of computers.

Paul Gorvin

on 7 February 2013

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Transcript of History of Computers

History of Computers Charles Babbage, FRS (26 December 1791 – 18 October 1871)[2] was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Parts of his uncompleted mechanisms are on display in the London Science Museum. In 1991, a perfectly functioning difference engine was constructed from Babbage's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage's machine would have worked. Nine years later, the Science Museum completed the printer Babbage had designed for the difference engine, an astonishingly complex device for the 19th century. Considered a "father of the computer"[3] Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs. Konrad Zuse's Z3 was the world's first working programmable, fully automatic computing machine; whose attributes, with the addition of conditional branching, have often been the ones used as criteria in defining a computer. The Z3 was built with 2,000 relays. (A request for funding for an electronic successor was denied as "strategically unimportant".[citation needed]) It had a clock frequency of ~5–10 Hz, and a word length of 22 bits.[1] Calculations on the computer were performed in full binary floating point arithmetic. Z3 read programs off a punched film.

The machine was completed in 1941. On 12 May 1941, it was successfully presented to an audience of scientists (e.g. Prof. Alfred Teichmann, Prof. C. Schmieden)[2] of the Deutsche Versuchsanstalt für Luftfahrt ("German Laboratory for Aviation"), in Berlin.[3] The original Z3 was destroyed in 1943 during an Allied bombardment of Berlin. A fully functioning replica was built in the 1960s by the originator's company Zuse KG and is on permanent display in the Deutsches Museum. The Z3 was used by the German Aircraft Research Institute to perform statistical analyses of wing flutter in aircraft design[4] Z3 - One of the earliest digital computers Charles Babbage Timeline Video - History of computers and consoles Computers - Friends or Enemies? How computers affect student performance, the good and the bad
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