Computer histry

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The word "computer" came from the word "compiute".which meance to calculate to be a calculating device, perform arithmetic operation an enormous speed. computer is a electronic device. Characteristic of a computer:Its speedy, accurateness, versatility, power of remembering, no fillings. ABACUS is the first computer model. Father of modern computer - Charles Babbage. It was launch in the year of 1822. Generation of computer:First generation computers are ENIAC, EDVACK, EDSAC, UNIVAC. 2nd generation of computer, repels vacuum tube with the transistor. Which are made by semiconductor material. 3rd generation computer, there transistors were replaced by a chip called I.C. 4th generation computer, in this generation ICs are indicate to a clips called "Microchip" . we used computer to do many hard work, software developing, accounting, photo developing many other thing.We used laptop same purpose, its felicities are portable,light, essay to carry, and soft. Desktop is not soft and light but we work with desktop long time. Computer is used every at now. Office,bank,shopping mole, institute,post office, school college, research center, weather center, many other place. Many brand company is at present like - INTEL,COMPAQ,GIGABYTE,MIS,AMD,IBM etc. Can anyone say to me which company is best of computer industry.