2. Sample Papers
  3. 12th Class
  4. Computers Science

12th Class Computers Science Sample Paper Cyber Olympiad Sample Paper-4

  • question_answer
    Which of the following levels of data abstraction describes what data are actually stored in the database?

    A) Physical level                

    B) Conceptual level

    C) View level                     

    D) Data level

    Correct Answer: B

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