Computer Organization & Architecture - December 2015

SPPU Information Technology (Semester 3)

Total marks: --
Total time: -- INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question from Q1 and Q2

1 (b) Differentiate the minimum and maximum mode operation of microprocessor 8086. 6 marks

2 (a) Apply restoring algorithm on Dividend: 1001 and Divisor: 11. 6 marks

2 (b) Describe instruction types on the basis of its operation and number of addresses used with suitable example. 6 marks

Solve any one question from Q3 and Q4

3 (b) Define the term 'Microprogramming' and compare Horizontal Microprogramming with Vertical Microprogramming. 6 marks

4 (a) Write fetch sequence of program execution and explain it in detail. 6 marks

4 (b) Draw and explain the register organization of microprocessor 8086. 6 marks

Solve any one question from Q5 and Q6

5 (b) Comment on 'Need of Paging' and explain Virtual to Physical address translation using Paging mechanism. 6 marks

6 (a) Explain the role of cache in memory organization. Describe any Cache replacement algorithm in short. 6 marks

6 (b) Write note on optical memory options: DVD and CDROM. 6 marks

Solve any one question from Q7 and Q8

7 (b) Describe term PCI Bus. 6 marks

8 (a) Explain different Bus Arbitration Techniques. 6 marks

8 (b) Write a note on DMA. 6 marks