SPPU Information Technology (Semester 3)
Computer Organization & Architecture
May 2014
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


Answer any one question from Q1 and Q2
1 (a) Draw block diagram for Harvard architecture and explain each block. What are its advantages and disadvantages?
6 M
1 (b) Differentiate minimum and maximum mode operation of 8086.
6 M

2 (a) Apply Booth's algorithm for signed multiplication and multiply the following decimal numbers. Multiplicand = 14, Multiplier = ?5, assume size of equivalent binary numbers as 5-bit and result as 10 bit.
6 M
2 (b) List and brief any five addressing modes of 8086.
6 M

Answer any one question from Q3 and Q4
3 (a) Explain Hardwired control elaborately.
6 M
3 (b) Draw and brief Programmer's model of 8086.
6 M

4 (a) What is Micro-program sequencing ? Explain with example.
6 M
4 (b) What is segmentation? With suitable example and diagram explain segmentation of memory in 8086.
6 M

Answer any one question from Q5 and Q6
5 (a) Explain 2-way set associative cache organization.
8 M
5 (b) Write a detailed note on DVD.
5 M

6 (a) Explain paging with neat diagram.
8 M
6 (b) Write a note on RAID.
5 M

Answer any one question from Q7 and Q8
7 (a) Draw and explain the block diagram of 8251.
8 M
7 (b) List the features of 8237.
5 M

8 (a) Draw and explain the block diagram of 8255.
8 M
8 (b) Write a note on interrupt driven I/O.
5 M



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