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)