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1997 Course Computer Architecture

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Total No. of Questions :10] P1130 [Total No. of Pages : 2 [3864] - 26 B.E. (E & TC) COMPUTER ARCHITECTURE (1997 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers any three questions from each section. 2) Answers to the two sections should be written in separate answer books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. SECTION - I Q1) a) Explain with proper diagram the trends towards parallel processing. [6] b) With proper block schematic explain basic uniprocessor Architecture.[6] c) Explain the following concepts in brief related to uniprocessor system.[6] i) Multiprogramming ii) Time sharing Q2) a) In a pipelined computer, successive instructions are executed in an over lapped fashion. Justify. [8] b) With the help of block schematic explain the functional structure of an SIMD array processor. [8] Q3) a) Draw only the block diagrams for Flynn s classification of various computer organizations. [8] b) Q4) a) Compare serial processing with parallel processing. [8] Describe at least four characteristics of MIMD multiprocessors that distinguish them from multiple computer systems or computer networks. [8] P.T.O. b) Explain the following terminologies associated with SIMD computers. i) ii) Q5) a) b) Barrel-shifting functions Cube-routing functions. [8] Explain in brief characteristics of vector processing. [8] With the help of diagram explain the logical structure of the communication between tasks using multiprocessor. [8] SECTION - II Q6) a) b) c) Q7) a) b) Q8) a) b) Q9) a) b) Q10)a) b) Explain with proper diagram the classical memory hierarchy. [6] Explain in brief the concept of virtual memory. [6] In parallel processing which addressing schemes are used for main memory. [6] How virtual to real address translation is done using page map. [8] Explain segmented memory system in brief [8] Compare parallelism versus pipelining. [8] With the help of simple block diagram explain basic data flow mechanism. [8] List various applications of parallel processing and explain one application in brief. [8] Explain parallel processing at job level and task level. [8] What are various memory policies? Explain one of the policy with proper example. [8] For multiprocessor system explain the significance of the following terms. i) Message passing ii) Multithread. [8] jjj [3864]-26 2

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