2. Questions Bank
  3. 9th Class
  4. Computers Science
  5. Classification of Computer and Number System

9th Class Computers Science Classification of Computer and Number System Question Bank Self Test-1

  • question_answer
    Hard disk is a secondary storage device. It is more reliable than floppy. Which of the following are types of hard disk?

    A)  RAID

    B)  ATA

    C)  SATA

    D)  All of these

    E)  None of these

    Correct Answer: D

    Solution :


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