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3rd Class Computers Science History of Computer Question Bank Self Test-1

  • question_answer
    China plays an important role in the field of inventing calculating devices. Which was the first calculating device invented by the Chinese?

    A)  Chang su calculator

    B)  Napier's bones

    C)  Leibnitz calculator

    D)  Abacus

    E)  None of these

    Correct Answer: D

    Solution :


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