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M.E DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012.

Second Semester

Applied Electronics

AP 9222/248205/AP 9222/UAP 9154/10244 AE 202—COMPUTER ARCHITECTURE AND

PARALLEL PROCESSING

(Common to M.E. VLSI Design and M.E. Computer and Communication)

(Regulation 2009)

Time: Three hours Maximum: 100 Marks

Answer ALL the questions

Part A — (10 x 2 = 20 Marks)

1. Differentiate multiprocessors and multicomputers.

2. State the conditions for parallelism.

3. Define MIPS rate.

4. Define Amdahl’s law of speed up performance.

5. Classify the different cache mapping organizations.

6. Define Arbitrization.

7. List the merits of multiport memory over crossbar networks.

8. Define Multithreading.

9. Name some SIMD Languages.

10. Specify the compilers used in parallel models.

Part B — (5 x 16 = 80 Marks)

11. (a) (i) Explain the classification of Parallel computer models. (8)

(ii) Write short notes on

(1) SIMD

(2) VLSI Model (8)

Or

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(b) Explain the various types of networks and in detail discuss the network properties.

(16)

12. (a) (i) Identify whether the omega network is Blocking or Non Blocking for the

given set of switching.

A = (0, 4, 6, 3) (1, 3) (7); B = (0, 6, 4, 7, 3) (1, 5) (2) (8)

(ii) What do you mean by Hot spot problem? Suggest the means to rectify it.

(8)

Or

(b) Briefly discuss about principles of scalable performance and the performance

metrics in detail. (16)

13. (a) Explain in detail about the various types of cache memory mapping organizations.

(16)

Or

(b) Explain in detail about the backplane bus systems. (16)

14. (a) Explain in detail the Multithreaded architectures. (16)

Or

(b) Explain in detail about the multivector and SIMD architectures. (16)

15. (a) Explain in detail about the matrix multiplication algorithms for 2-d mesh and

hypercubs SIMD models. (16)

Or

(b) Discuss about the different languages and compilers used in parallel computing.

(16)