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Posted Date: 19 Jul 2009 Posted By: guna Member Level: Gold
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2008 Basara University B.E Engineering Chemistry Computer Organisation Question paper
H-163
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2008
COMPUTER ORGANIZATION
Total Marks: 100
Time: 2.30p.m. To 5.30p.m.
Instructions: 1) Q.1 from section-1 and Q.5 from section-2 are compulsory.
2) Solve any two questions from Q.2, Q.3, and Q.4
3) Solve any two questions from Q.6, Q.7, and Q.8
4) Figures to right indicates full marks
SECTION-1
Q.1 a) Compare RISC and CISC processors.[Marks 7]
b) Draw 4-bit carry look ahead adder. Considering all blocks of the circuit require equal delay of ‘d’units, what is the time require to perform a 4-bit addition in terms of‘d’.[Marks 8]
Q.2)a) Draw a non-restoring division algorithm. Illustrate with an example. [Marks 7]
b) Perform the following operations suggested: [Marks 8]
1) (17)*(-12): Booths multiplication
2) (41)/ (11): Restoring division
Q. 3 a) Give the detail design and working of binary fixed point multiplier.Marks 10]
b) Draw a block schematic indicating the data processing part of a simple floating-point arithmetic unit.[Marks 5]
Q.3 a) Explain desirable features of an instruction .Also describe the meaning of the term “completeness”.[Marks 8]
b) Describe the advantages of PLA what is meant by folded PLA and decoded PLA?[Marks 7]
SECTION-2
Q.5 a) Explain the working of microprogramming sequencer with help of neat diagram.[Marks 8]
b) Explain the operation of paged segmentation arrangement.[Marks 7]
c) Define programmed I/O. Give its advantages and disadvantages with respect to design complexity, I/O bandwidth and interface hardware costs.[Marks 5]
Q.6 a) with a suitable diagram, explain non-preemptive allocation algorithm for main memory.[Marks 5]
b) A typical CPU allows most interrupt requests to be enabled and disabled under software control, in contrast, no CPU provides Facilities to disable DMA request signals. Explain why this is so.[Marks 5]
c) Discuss the design steps involved in design of hardwired control unit using delay element method. [Marks 5]
Q.7 a) Explain the design of multiplier control unit using one hot method.[Marks 8]
b) Explain the steps involved in the optimization of control memory in micro programmed control unit.[Marks 6]
c) Differentiate between Static RAM and Dynamic RAM.[Marks 6]
Q.8 a) Explain the working of interrupt driven I/O.[Marks 7]
b) Explain the factors that will affect the Performa Nance of hierarchical memory system.[Marks 8]
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