Banking Computers Science IBPS RRBs Office Assistant CWE Exam Held on 21-09-2014

  • question_answer
    How many generations of computers arc there?

    A)  2        

    B)  3

    C)  4         

    D)  5

    E)  6

    Correct Answer: D

    Solution :

    [d] The development of electronic computers can be divided into five generations depending upon the technologies used. First Generation (1942- 1955): used vacuum tubes; Second Generation (1955-1964); used transistors; Third Generation (1964-1975); used Integrated Circuits; Fourth  Generation (1975-Present): invention of Microprocessor; Fifth Generation (Present & Beyond): based on the technique of Artificial Intelligence (AI).


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