2. Sample Papers
  3. 10th Class
  4. Computers Science

10th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-6

  • question_answer
    Which one of the following material is used for coating the platter of the hard disk?

    A)  Magnetic metallic oxide

    B)  Semiconductors

    C)  Phosphorus

    D)  All of these    

    E)  None of these

    Correct Answer: A

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