Amrita Vishwa Vidyapeetham 2008 B.C.A Computer Application Principles Of operating Systems BC 303 - Question Paper

B.C.A. Principles Of operating Systems BC 303 May 2008
Time : 3 hours Maximum : 100 marks
ans any 5 ques..
All ques. carry equal marks.
(5 * 20 = 100)
1. (a) Write note on the functions of an OS. (6)
(b) Explain in detail on system calls and OS structure.
(14)
2. (a) Illustrate in detail on critical parts. (10)
(b) Write in detail on process scheduling. (10)
3. (a) Discuss in detail on IPC. (10)
(b) Illustrate in detail on Event counters and 2 level scheduling. (10)
4. (a) Discuss the importance of Device controllers. (8)
(b) Explain deadlock detection and Recovery with illustration. (12)
5. (a) Write the Goals of I/O Softwares. (6)
(b) Explain briefly on Interrupt handlers and Device independent I/O Softwares. (14)
6. (a) Explain Multi programming with fixed partition.
(10)
(b) Discuss in detail on segmentation. (10)
7. (a) Discuss with illustration on Linked–lists and Buddy systems. (10)
(b) Explain Memory Management without swapping on paging. (10)
8. (a) Discuss the importance of file management and write briefly on Directory structures. (10)
(b) Illustrate in detail on security and protection mechanisms of files. (10)

Earning:   Approval pending.