Acharya Nagarjuna University (ANU) 2006 M.C.A , - university paper

M.C.A. DEGREE EXAMINATION, DECEMBER 2006
First Year
Paper - V : OPERATING SYSTEMS

Time : 3 hours Maximum : 75 marks

part A - (3 X 15 = 45 marks)
ans any 3 of the subsequent.

1. (a) What is OS? elaborate the basic functions of operating system?
(b) discuss the differences among short-term, medium-term and long-term scheduling.

2. elaborate the conditions that must satisfy for deadlock occurrence and discuss them.

3. discuss the difference ranging from Paging and segmentation.

4. discuss Free Space Management.

5. elaborate the security requirements of a computer and network?

part B - (5 X five = 25 marks)
ans any 5 of the subsequent.

6. elaborate the services given by OS?

7. discuss about process Synchronization.

8. discuss various Multiple partitions.

9. discuss about Demand Paging.

10. discuss various File System Functions.

11. discuss about Hard-Disk performance.

12. discuss different file access methods.

13. discuss about Encryption.

part C - (5 X one = five marks)
ans ALL of the following:

14. describe Real - Time operating system.

15. describe Mutual Exclusion.

16. describe Memory Management.

17. discuss various methods of record blocking.

18. describe DMA.

Earning:   Approval pending.