DISTANCE EDUCATION
M.C.A. DEGREE EXAMINATION, MAY 2017.
First Semester
OPERATING SYSTEMS
(2010 Academic Year onwards)
Time Three hours Maximum 100 marks
PART A — × 8 40 marks)
Answer any FIVE questions.
1. Write a short note on history of Operating Systems.
2. Explain the race condition.
3. Write short notes on Message passing.
4. Explain the Priority scheduling.
5. Discuss the various I/O devices.
6. Give a brief note on the major problems to implement the
demand paging.
7. Write a note on Bit-maps.
8. How does an operating system shares a file? Explain.
PART B — × 15 60 marks)
Answer any FOUR questions.
9. Discuss the Kernel structure of on Operating System.
10. Discuss the Round Rotrin Scheduling technique.
Sub. Code
104
DE-684
2
Ws6
11. Describe the various functions of Interrupt handler.
12. What is meant by device independent software? Discuss.
13. Write a detailed note on memory partitioning.
14. Give a detailed description on deadlocks and its
characterization.
15. Discuss in detail about the protection mechanism in File
system.