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In 1930, the first analog computer was built by an American <br>named Vannevar Bush. This device is used during the Second World War, for <br>many of the technical development of electronic digital computability<br>moat took place in 1940 - and 1950 - ies. Mark I, the name given to the first digital computer, was completed in 1944. The person responsible for this invention was Professor Howard Aiken. It was the first machine that could find a long list of mathe- matic tasks at a very fast pace. In 1946, two engineers from the University of Pennsilvania, J.Eckert and J.Maushly, built a digital computer with Vacu-mmm pipes. They named their new invention ENIAC.Esche important achievement in developing computers came in 1947, when John von Neumann developed the idea of preservation instructions for a computer in the computer's memory. John von Neumann's contribution was particu-cially significant. In contrast, the analytical engine Babbage, which was designed to store only the data ma-chine von Neumann called the EDVAC, I was able to store data and instructions. He also promoted the idea of storing data and instructions in a bi-nary code that uses only ones and zeros. Thus, computers use two condition, high voltage and low voltage, to translate the symbols by which we commu-vention in the unique combination of electrical impulses. We refer to these combinations as codes.<br>Neumann computer program is stored, as well as other mA- <br>cheekbones that time were possible, in accordance with the invention, in <br>a vacuum tube, which can control and amplify electronic signals.
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