JNTU
JNTU B.Tech III Year ADVANCED COMPUTER ARCHITECTURE Previous Question Paper (January/February - 2023 - R18)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What is a parallel computer?
Answer
A parallel computer is a system capable of executing multiple operations or processes simultaneously by utilizing multiple processors or processing elements to solve a single computational problem faster.
List the advantages of parallelism to improve performance.
Answer
- Reduced execution time through concurrent processing.
- Increased throughput by handling multiple tasks simultaneously.
- Improved resource utilization and scalability for compute-intensive applications.
Why do we need virtual memory in computer architecture?
Answer
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List the advantages of virtual memory.
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State the need for a cache memory.
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Draw the Instruction Pipeline design.
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What is compound vector processing?
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List the three Generations of Multicomputers.
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Write the disadvantages of multithreading.
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Define fine-grained and coarse-grained parallelism.
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Part B
Outline the classification of parallel computer models.
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Discuss about the PRAM model.
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Describe the program flow mechanisms in detail.
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What are the conditions of parallelism? Explain.
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Outline the Memory Hierarchy with a neat diagram.
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Discuss the applications of parallel processing.
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Explain the need of superscalar processors and vector processors.
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Elaborate on the Non-Linear Pipeline Processors.
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Describe the Sequential and weak consistency models.
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Explain the cache coherence and synchronization mechanism.
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Explain in detail about Message –passing mechanisms.
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Elaborate on the Dataflow and hybrid Architecture.
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What is Multithreading? Explain the priciples of Multithreading.
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Discuss about Latency-hiding techniques.
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