Computer Organization and Architecture - May 2014

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) What is stored program concept?(3 marks) 1(b) Show IEEE 754 standards for Binary Floating-Point representation for 32bit single format and 64bit double format. (3 marks) 1(c) What are application of microprogramming?(3 marks) 1(d) What is virtual memory?(4 marks) 1(e) Explain in brief function 0f 8089 I/O processor.(4 marks) 1(f) Name the Flynn's Classification of parallel processing System.(3 marks) 2(a) draw the flow chart Booth's Algorithm for Twos complement Multiplication.(5 marks) 2(b) Using Booth's Algorithms show the multiplication of 7×5(7 marks) 2(c) Explain with diagram functioning of Microprogrammed Control Unit(8 marks) 3(a) What are the difference between RISC and CISC processors?(5 marks) 3(b) Describe hard-wired control unit specify its advantage.(7 marks) 3(c) What are characteristic of memory devices?(8 marks) 4(a) Explain in detail Memory Hierarchy with examples.(6 marks) 4(b) What are element of cache design?Explain in detail.(8 marks) 4(c) What are major requirements for an I/O module?(6 marks) 5(a) Explain the DMA based data transfer techniques for I/O devices.(8 marks) 5(b) Explain concepts of nano programming.(6 marks) 5(c) What is instruction pipe-lining?(6 marks) 6(a) Write short notes on:
Touch pad(7 marks) 6(b) L1,L2 and L3 Cache memory.(7 marks) 6(c) Programmed I/O(6 marks)