Question Paper: Computer Organization : Question Paper Dec 2014 - Electronics & Telecom Engineering (Semester 4) | Pune University (PU)
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Computer Organization - Dec 2014

Electronics & Telecom Engineering (Semester 4)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.


Answer any one question from Q1 and Q2

1 (a) Draw the block diagram of basic structure of computer. Explain each block in detail.(6 marks) 1 (b) Perform the following division using restoring algorithm:
(i) dividend = 1001
(ii) divisor = 0101.
(6 marks)
2 (a) Discuss about concept of superscalar computer.(6 marks) 2 (b) Represent (-13) multiple in booths record format and bit pair recorded format.(6 marks)


Answer any one question from Q3 and Q4

3 (a) Explain the micro-instructions with next-address field in detail with block diagram.(6 marks) 3 (b) What is the difference between subroutine and interrupt service routines?(6 marks) 4 (a) Write control sequence for the following instruction for the single bus organization for sub(R4), R3(6 marks) 4 (b) Differentiate memory-mapped I/O and I/O-mapped I/O.(6 marks)


Answer any one question from Q5 and Q6

5 (a) Explain the dynamic RAM organization.(6 marks) 5 (b) Explain cache memory. Why is it used ?(7 marks) 6 (a) Write a note on a synchronous DRAM.(7 marks) 6 (b) Write a note on virtual memory.(6 marks)


Answer any one question from Q7 and Q8

7 (a) Explain Segment Registers of 8086.(7 marks) 7 (b) Explain functions of the following pins of 8086:
NMI, INTR, RESET, READY, BHEbar.
(6 marks)
8 (a) Draw Flag Structure of 8086 and explain operation of each flag.(7 marks) 8 (b) Explain logical to physical addressing of 8086.(6 marks)

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