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generations of computers. An informal system of classifying computer systems as advances have been made in electronic technology and, latterly, in software. Since the design of digital computers has been a continuous process more than five decades – by a wide variety of people in different countries, faced with different problems – it is difficult and not very profitable to try and establish where ‘generations’ start and finish. See first generation, second generation, third generation, fourth generation, fifth generation.

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"generations." A Dictionary of Computing. . 16 Jan. 2018 <>.

"generations." A Dictionary of Computing. . (January 16, 2018).

"generations." A Dictionary of Computing. . Retrieved January 16, 2018 from