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  5. Heredity and Evolution

4th Class Computers Science Heredity and Evolution Question Bank Evolution of Computers

  • question_answer
    This device which was made up of movable wheels is called ____________.

    A) Abacus

    B) Pascaline

    C) Analytical engine

    D) Difference Engine

    Correct Answer: B

    Solution :

    The Pascaline was designed and built by the French mathematician- philosopher Blaise Pascal between 1642 and 1644. It could do addition and subtraction, with numbers being entered by manipulating its dials.


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