Question Paper: Computer Organization and Architecture : Question Paper Dec 2015 - Computer Engineering (Semester 4) | Mumbai University (MU)
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Computer Organization and Architecture - Dec 2015

Computer Engineering (Semester 4)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
1 (a) Explain role of different registers like IR, PC, SP, AC, MAR and MDR used in Von Neumann model.(5 marks) 1 (b) Differentiate between Computer Organization and Computer Architecture.(5 marks) 1 (c) List different memory organization characteristics.(5 marks) 1 (d) What is virtual memory?(5 marks) 1 (e) Show IEEE 754 standards for Binary Floating point Representation for 32 bit single format and 64 bit double format.(5 marks) 2 (a) (i) Draw the flow chart for Booth's Algorithm for twos complement multiplication.(4 marks) 2 (a) (ii) Using Booth's algorithm show the multiplication of -3*-7.(6 marks) 2 (b) What are differences between RISC and CISC processor?(10 marks) 3 (a) Describe hardwire control unit and specify its advantages.(10 marks) 3 (b) Explain six stage instruction pipeline with suitable diagram.(10 marks) 4 (a) Calculate the hit and miss using various page replacement policies LRU, OPT, FIFO for following sequence (page frame size 3) 4, 7, 3, 0, 1, 7, 3, 8, 5, 4, 5, 3, 4, 7. State which one is best for above example?(10 marks) 4 (b) What is TLB? Explain working of TLB.(10 marks) 5 (a) Compare interrupt driven I/O and DMA.(10 marks) 5 (b) Explain Flynn's classification.(10 marks) 6 (a) Explain set associative and associative cache mapping techniques.(10 marks) 6 (b) What is bus arbitration? Explain any two techniques of bus arbitration.(10 marks)

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