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In 1930 the first analog computer was built by American named Vannevar Bush. This device was used in Wbrld W & r II to help aim guns.
35 of the History 3. Unit Computers is
Many Contents Technical Developments of electronic digital is comput¬ers took the PLACE in the 1940s and the 1950s. Mark I, the name given to the first digital computer, was completed in 1944. The man responsible for this invention was Professor Howard Aiken. WAS the first This machine That Could figure out a long lists of mathe¬matical Problems view AT a very of fast rate The.
With In 1946 two engineers at the University of Pennsilvania, J.Eckert and J.Maushly, built their digital computer with vacu¬um tubes. Their new the named for They Invention the ENIAC (the Elec¬tronic the Numerical Integrator and Calculator).
For Another by important Achievement in Developing computers CAME in 1947, when John von Neumann developed the idea of keeping instructions for the computer inside the computer's memory. The contribution of John von Neumann was particu¬larly significant. As contrasted with Babbage's analytical engine, which was designed to store only data, von Neumann's ma¬chine, called the Electronic Discrete Variable Computer, or EDVAC, was able to store both data and instructions. He also contributed to the idea of storing data and instructions in a bi¬nary code that uses only ones and zeros. This simplified com¬puter design. Thus computers use two conditions, high voltage , and low voltage, to translate the symbols by which we commu¬nicate into unique combinations of electrical pulses. To refer to for These WFE Combinations as with codes.
A Neumann's computer program for stored is a well as with as with OTHER ma¬chines of time That Were made Possible by the Invention of the vacuum tube That Could Amplify control and electronic signals. Early computers, using vacuum tubes, could perform compu¬tations in thousandths of seconds, called milliseconds, instead of seconds required by mechanical devices.
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