Download PTU B.Tech 2020 March CSE-IT 3rd Sem BTES 302 18 Computer Architecture Question Paper

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Roll No. EEEEEEEE [ ] Total No. of Pages : 02
Total No. of Questions : 09

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Answer briefly :
   1. What is Structural hazard in pipelining?
   2. Differentiate between I's complement and 2’s complement number representation systems.
   3. What are maskable and non-maskable interrupts?
   4. Differentiate between magnetic disks and magnetic tapes.
   5. Explain pros and cons of CISC architecture.

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   6. Define Microinstruction and Microoperation.
   7. Write brief note on USB.
   8. Define Cache hit and cache miss.
   9. What are privileged and non-privileged instructions?
   10. What is Cache coherency?

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SECTION-B

2. Explain Interrupt and DMA mode for I/O access.
3. Explain booth multiplier in detail.
4. Explain in brief :
   1. Accumulator machine

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   2. Stack machine
5. Explain components of instruction cycle.
6. Discuss PC relative and Base register addressing mode

SECTION-C

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7. Explain various stages in instruction pipelining. Discuss in detail methods to handle Data hazards.
8. Explain below page replacement algorithms with examples :
   1. FIFO
   2. LIFO
   3. Least recently used
   4. Optimal Page replacement

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9. Give the hardware organization of associative memory. Why associative memory is faster than other memories? Deduce the logic equation used to find the match in the associative memory.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.