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2 D 30468
15. Write ashort note on control memory.
16. Differentiate polling and interrupt schemes in I/O techniques.
17. Describe about different types of logic gates.
18. Write a note on D flip-flop.
19. Write a short note on stack organization.
Section C (Essay Type Questions)

Answer any one question.
It carries 10 marks.

20. Explain mapping procedures of cache memory in detail.

21. Explain different computer instructions in detail.
(1 x 10 = 10 marks)

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