Karunya University 2008 B.E Information Technology Operating systems - Question Paper

ans ALL ques.
PART – A (10 x one = 10 MARKS)
1. What is FLIPS?
2. What is a CPU – bound process?
3. Define : Compaction.
4. What is TLB?
5. What is the use of index?
6. What is latency time in disk?
7. Define: Semaphore
8. Name 2 transmission media used in networks.
9. Define: Monitor.
10. Name a multi user OS.

PART – B (5 x two = 10 MARKS)
11. Differentiate ranging from a microkernel and a monolithic kernel.
12. Compare best fit and 1st fit placement strategies.
13. What is double buffering?
14. Define: Critical part.
15. What are the conditions for deadlock to occur?

PART – C (5 x eight = 40 MARKS)
16. a. Explain the different process state transitions. (5)
b. Discuss about interrupt processing. (3)
(OR)
17. a. Explain the concept of deadline scheduling. (4)
b. Explain HRN scheduling. (4)

18. Explain the address translation in combined paging / segmentation system.
(OR)
19. Discuss about locality of reference and working set of a process.

20. Discuss the different non-contiguous storage allocation.
(OR)
21. Discuss about security kernels and OS penetration.

22. Explain Dekker's algorithm for implementing mutual exclusion.
(OR)
23. How is process synchronization done using semaphores.

24. Explain the Banker's algorithm for deadlock avoidance.
(OR)
25. Discuss about memory management in UNIX.

Earning:   Approval pending.