Computer Organization and Architecture - Dec 2016

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.

Solve any four questionQ.1(a,b,c,d,e)

1(a) Explain Von Neumann architecture in detail.(5 marks) 1(b) Explain various pipeline hazrds with example.(5 marks) 1(c) Differentiate between Computer Organization & Architecture.(5 marks) 1(d) Explain Flynn's Classification.(5 marks) 1(e) What are the differences between RISC and CISC processors.(5 marks) 2(a) Convert (127.25)₁₀ in IEEE-754 single and double precision floating point representation.(10 marks) 2(b) Explain micro instruction sequencing and execution.(10 marks) 3(a) Calculate the hit and miss using various page replacement policies LRU, OPTIMAL, 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) 3(b) Explain the importance of multiple bus hieratchies with the help of suitable diagram.(10 marks) 4(a) Describe Hardwired Control Unit and specify its advantages.(10 marks) 4(b) Describe the characteristics of Memory.(10 marks) 5(a) Explain DMA based data transfer technique for I/O devices.(10 marks) 5(b) Multiply(-7) with (4) by using Booth's algorithm of Multiplication.(10 marks)

Write a short note any four Q6.(a,b,c,d,e)

6(a) Type of ROM(5 marks) 6(b) Cache Coherency(5 marks) 6(c) Scanner(5 marks) 6(d) Interrrupt driven I/O(5 marks) 6(e) Nano Programming(5 marks)