2. Questions Bank
  3. 6th Class
  4. Computers Science
  5. Introduction to Computer

6th Class Computers Science Introduction to Computer Question Bank Introduction to Computers

  • question_answer
    Which storage devices use lasers to store and retrieve data?

    A)  Primary storage devices   

    B)  Optical storage devices

    C)  Secondary storage devices

    D)  Auxiliary storage devices

    Correct Answer: B

    Solution :

    Not Available


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