DISTANCE EDUCATION
P.G.D.C.A. EXAMINATION, MAY 2018.
First Semester
OPERATING SYSTEMS
(2011 Calendar Year Onwards)
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Specify Components of operating systems.
2. Give clear notes on history of operating systems.
3. Explain Inter Process Communication.
4. Briefly explain about message passing.
5. Discuss about Device Controller.
6. Illustrate types of Interrupts.
7. Write short notes on
Swapping
Thrashing.
8. Describe Disk Space Management.
Sub. Code
14
DE-3432
2
Ws9
SECTION B — x 15 60 marks)
Answer any FOUR questions.
9. Illustrate Structure of operating systems.
10. Specify Shortest Job First with suitable example.
11. Explain about Priority Scheduling.
12. Discuss about Deadlock Prevention and Avoidance
mechanism.
13. Elaborately explain multiprogramming with Fixed
Partition.
14. Specify Page Replacement Algorithm with an example.
15. Describe about Directory structure.
————————