M.C.A. DEGREE EXAMINATION, APRIL 2016
DIGITAL COMPUTER ORGANIZATION
(Common for
(2012 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 2 20)
Answer all questions.
1. Find the binary number for (0.6875)10 .
2. Write the binary equivalent for (306.0)16 .
3. Define flip flop.
4. What is meant by instruction code?
5. Write the definition of BCD.
6. Write any two register reference instructions with
examples.
7. What are the storage components of CPU.
8. Define stack.
9. List the basic components of MMU.
10. Mention any four pheriparal devices.
Sub. Code
541101/
545101
RW-10959
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Part B 5 25)
Answer all questions choosing either or
11. Describe the fundamental concepts of Boolean
algebra.
Or
Write short notes on: Quick-Mccluskey method.
12. Explain shift register in detail.
Or
Write short notes on: and complements.
13. Explain instruction cycle in detail.
Or
Discuss about designing of basic computer.
14. Briefly explain about various instruction formats.
Or
Explain program control in detail.
15. Write short notes on: DMA.
Or
Discuss about virtual memory in detail.
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Part C 10 30)
Answer any three questions.
16. F .Simply by using K-map.
17. Discuss error detection codes.
18. Explain memory reference instructions.
19. Discuss addressing modes in detail
20. Explain asynchronous data tranfer.