DISTANCE EDUCATION
P.G.D.C.A. EXAMINATION, MAY 2016.
First Semester
OPERATING SYSTEMS
(2011 Calendar Year onwards)
Time Three hours Maximum 100 marks
SECTION A — × 8 40 marks)
Answer any FIVE questions in about 200 words each.
1. Briefly explain about distributed system and its types.
2. Discuss briefly about the concept of mutual exclusion.
3. Write short note on the following
Device controllers
Device drivers.
4. Explain the segmentation technique with necessary
diagram.
5. Explain the life cycle of a process with state transition
diagram.
6. Discuss on various operations of a file.
7. Explain briefly about virtual memory.
8. Discuss the Banker's algorithm for deadlock avoidance in
detail.
Sub. Code
14
DE-3232
2
ws 15
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Explain in detail about operating system structure.
10. Discuss in detail on interprocess communication in
process management.
11. Discuss briefly about deadlock detection and prevention
techniques.
12. Give a detailed description on paging.
13. Explain various file access methods in detail.
14. Describe any two page replacement algorithms in detail
with an example.
15. Briefly explain fault tolerance techniques.