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

4th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-6

  • question_answer
    Hard disk is coated in both side with:

    A) Magnetic metallic oxide

    B) Optical metallic oxide

    C) Carbon layer

    D) All of these

    E) None of these

    Correct Answer: A

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