Advanced Computer Architecture March06 Nr410505

NR

Code No: NR410505

IV B.Tech I Semester Supplementary Examinations, March 2006 ADVANCED COMPUTER ARCHITECTURE ( Common to Computer Science & Engineering, Information Technology and Electronics & Computer Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Explain different cache memory organizations, in detail and give their relative merits. [16] 2. (a) What is Internal Forwarding? Explain different techniques. (b) Explain different data dependant hazards and how these hazards have to be handled so for effective Processing. [8+8] 3. (a) What are the parameters that characteristics SIMD computers ? (b) What is masking. Explain masking mechanism. (c) Analyse the various components in a Processing Element of an array processor. [5+6+5] 4. (a) How is the Summation functionality performed in a SIMD Machine? (b) Name some SIMD parallel algorithms and along with their complexity. (c) What is the motivation of an Array Processor?

[10+4+2]

5. (a) Explain the Cm* architecture for a hierarchical loosely coupled system and explain the steps involved in an intracluster memory access. (b) List the advantages and disadvantages of asymmetric and symmetric I /O systems in a multiprocessor system. [12+4] 6. (a) With the help of a diagram explain C-access memory organization. Is this memory organization be used for multiprocessors ? Explain. (b) Write a note on performance analysis of delta networks.

[10+6]

7. (a) Discuss in detail about the Manchester data flow computer organization. (b) Explain how an exchange switch network is used in the multiple ring architecture. [8+8] 8. (a) Explain the necessity of Performance evaluation of computers. (b) Discuss about the characterization of computer system’s performance regarding memory systems. [8+8] ?????

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