History of computer

Páginas: 3 (557 palabras) Publicado: 21 de noviembre de 2011
History of Computer
The history of computers is relatively recent. All that is made before 1890 was a pro-development in areas such as mathematics, logic, physical chemistry, metallurgy,mechanics, electricity and electronics. The maturity of these disciplines led to the invention of the electric vacuum tube, the integrated circuit and transistor. Those are the basic components that madepossible the success of such wonderful technology called computers. Abacus Since the beginning of the world the man had the need for their belongings. As their lives became more complicated it becamenecessary to perform computations in a more simple and fast way so that about 3000 BC they began to use the abacus. 1692 Gottfried Leibniz invention to another machine like the Pascaline, as well asaddition and subtraction is multiplied and divided by repeating addition and subtraction. German mathematician use this machine for calculating astronomical tables and trigometricals. French weaverJoseph Jacquard 1801 Design a machine to tell weave fabrics without having to manually change the thread. The program uses punch card loom. These cards control the sequence in which the threads areinterwoven to form the pattern of the fabric. Charles Babbage 1812 (known as the father of computers) Design to provide an analytical machine, which used punch cards. This was designed to solvemathematical problems that required long and complicated computation. Babbage never completed his machine by the technology of that time was not sufficiently advanced for turning thousands of parts andbuild the gear mobibles required. 1880 Herman Hollerith Invented a punch card reader and tab with this machine down the third part of the work of counting the United States Census. Hollerith foundedthe Tabulating company decades later known as International Business Machines IBM (1930). 1944 Howard Aiken first electronic computer-based analytical machine of Babbage call 1 mark After that are...
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