JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B.Tech II Year II Semester Examinations, May - 2017

COMPUTER ORGANIZATION

(Computer Science and Engineering)

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Time: 3 Hours Max. Marks: 75

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A.

Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.

PART - A (25 Marks)

1. a) Convert (63.4)₈ to decimal.

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   b) Differentiate between fixed point and floating point representation.

   c) What are the advantages of using multiple bus organization?

   d) List any four addressing modes.

   e) What is the need for memory interleaving?

   f) Define hit rate and miss rate.

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   g) What are the different data transfer schemes?

   h) What is priority interrupt?

   i) Differentiate between RISC and CISC.

   j) What is instruction pipelining?

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PART - B (50 Marks)

1. 2. a) Explain different binary codes with examples.

   b) Discuss about error detection and correction codes.

   OR

   3. a) Draw the logic diagram of 4-bit adder subtractor and explain its function.

   b) Explain Booth’s multiplication algorithm.

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2. 4. a) Explain different types of operations performed on data.

   b) Discuss about three address, two address and one address instructions with examples.

   OR

   5. a) Explain the basic instruction cycle.

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   b) What are the different types of interrupts? Explain.

3. 6. a) Describe the principle of locality of reference.

   b) Explain different mapping techniques used in cache memory.

   OR

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   7. a) Explain virtual memory address translation.

   b) Discuss different secondary storage devices.

4. 8. a) Explain different modes of data transfer.

   b) Explain the data transfer using DMA.

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   OR

   9. a) Explain the different types of interrupts.

   b) What is the use of IOP? Explain IOP organization.

5. 10. a) Explain the basic characteristics of RISC.

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   b) Discuss instruction pipeline hazards.

   OR

   11. a) Explain four segment instruction pipeline.

   b) Write short notes on array processors.

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