Classification of computer generations.
To classify computers we can use many different types of methods. Main method will be computer generations. Under computer generations we can see five generations classified under technical terms that use on the computers.
1) 1st Generation (1940-1956) – Used vacuum tubes.
2) 2nd Generation (1956-1963) – Used transistors.
3) 3rd Generation (1964-1971) – Used integrated circuits(IC).
4) 4th Generation (1972-2010) – Used microchip or central processing unit (CPU).
5) 5th Generation (2010 and Beyond) – Artificial intelligence (AI).
1) 1st Generation (1940-1956).
First generation of computers began with using vacuum tubes as the basic components for memory and hardware, and was regularly huge, taking up whole rooms. These computers were extremely costly to work and notwithstanding using a lot of power, the main computers produced a considerable measure of heat, which was frequently the reason for breakdowns. These original computers depended on “machine language”. These computers were restricted to taking care of one issue at any given moment. It would take operators days or even a long time to set-up another issue. Input depended on punched cards and paper tape, Output was shown on printouts. The two eminent machines of this period were the UNIVAC and ENIAC machines. The UNIVAC was the first business computer, it conveyed to a business customer, the U.S. Statistics Bureau in 1951. The ENIAC was produced by Army Ordnance to process World War II ballistic terminating tables. It measured 30 tons and used 200 kilowatts of electric power.
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