Download JNTUH MCA 1st Sem R17 2018 January 841AB Computer Organization Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 1st Sem (First Semester) Regulation-R17 2018 January 841AB Computer Organization Previous Question Paper

R17

Code No:841AB















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA I Semester Examinations, January - 2018

COMPUTER ORGANIZATION

Time: 3hrs













Max.Marks:75

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.



PART - A



















5 ? 5 Marks = 25

1.a) Design a 4-to-16 line decoder using 3-to-8 decoders.







[5]

b) What is meant by locality of reference? Discuss briefly.







[5]

c)

Illustrate direct and indirect addressing modes with an example.





[5]

d)

Write the differences between Isolated I/O and Memory mapped I/O.



[5]

e) Discuss about the conflicts arise during instruction pipelining.





[5]



PART - B

















5 ? 10 Marks = 50

2.a)

Apply Booth's algorithmto multiply 10111 with 10011.

b)

Convert the following numbers decimal numbers to binary and octal:







i) 4310

ii) 574















[6+4]

OR

3.

Depict the flowchart for division operation and explain the same with an example.[10]



4.

Discuss various cache memory mapping techniques with relevant diagrams.

[10]

OR

5.a)

Write a brief note on Auxiliary memory.

b)

Consider a direct-mapped cache with 64 blocks and a block size of 16 bytes. To what block
number does byte address 1200 map?











[6+4]


6.a)

Give an example for illustrating relative and register addressing mode.

b)

Explain various shift instructions of 8086 processor.







[6+4]

OR

7.

List and explain various assembler directives of 8086 microprocessor with examples for
each.



















[10]



8.

Explain programmed I/O and interrupt-initiated I/O modes of data transfer.

[10]

OR

9.

Describe the functionality of Daisy-chaining priority interrupt method.



[10]



10.

Write down the applications of vector processor and explain how to compute matrix
multiplication on a vector processor.











[10]

OR

11.a) Determine the number of clock cycles that it takes to process 200 tasks in a six-segment

pipeline.

b) Write a short note on shared memory multiprocessors.







[5+5]

---oo0oo---