2. Sample Papers
  3. 7th Class
  4. Computers Science

7th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-2

  • question_answer
    Who developed a mechanical tabulator machine based on punched card?

    A)  Herman Hollerith          

    B)  Jesus Christ

    C)  John Napier                 

    D)  Charles Babbage

    E)  None of these

    Correct Answer: A

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