6th Class Computers Sample Paper Computer Science Olympiad Model Test Paper-1

  • question_answer A punch card is a piece of stiff paper that contains digital information. In a punch card system, data are processed by a:

    A) Keypunch machine, sorter, and posting machine

    B) Accounting machine, posting machine, and billing machine

    C) Sorter, posting machine, and billing machine

    D) Accounting machine, keypunch machine, and sorter.

    E) None of these

    Correct Answer: A

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