2. Sample Papers
  3. 3rd Class
  4. Computers Science

3rd Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-9

  • question_answer
    Which of the following is a secondary memory device?

    A) Byte                             

    B) Disk

    C) Keyboard                      

    D) ALU

    E) None of these

    Correct Answer: B

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