Railways R.R.C. (Bilaspur) Solved Paper Held on 1st Shift 27-10-2013

  • question_answer
    Who invented the Computer Mouse?

    A) Vannevar Bush  

    B) Ted Nelson

    C) Alan Kay                      

    D) Douglas Engelbart

    Correct Answer: D

    Solution :

    Scientist Douglas C. Engelbart invented the Computer Mouse System in year 1977 at Stenford Research Laboratory, earlier it was known as Pointing Device, now Computer Mouse name.


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