Sikkim-Manipal University of Health Medical and Technological Sciences (SMUHMTS) 2009 B.C.A Computer Application MC0042-Operating Systems - Assignment s for fall session - Question Paper

August 2009
Bachelor of Computer Application (BCA) – Semester 3
BC0042 – Operating Systems – four Credits
(Book ID: B0682)
Assignment Set – one (60 Marks)



ans All ques. and they carry Equal Marks

1. What is kernel ? elaborate the main components of a kernel.
2. define in brief the function of an operating system.

3. explain the process vs Threads.



4. Use 1st Come 1st Serve algorithm to schedule process given:

Process Burst Time
P1 7
P2 5
P3 8
P4 2
P5 3

5. What do you mean by deadlock ?

6. What is the advantage of Direct Memory Access? Briefly discuss the timing mechanisms that can be used in data transfer through DMA.







August 2009
Bachelor of Computer Application (BCA) – Semester 3
BC0042 – Operating Systems – four Credits
(Book ID: B0682)
Assignment Set – two (60 Marks)


ans All ques. and they carry Equal Marks

1. What are the 2 kinds of fragmentations? Illustrate them with block diagrams.
2. What are different I/O control strategies ? explain in brief.
3. List out the conditions that outcome in Deadlock situations. Illustrate deadlock situation with a simple graphical notation.
4. Explain cache with fully associative mapping.

5. With an example illustrate file access modes: Sequential, Indexed and Random modes.

6. What is mutual exclution ? elaborate its requirements .

Earning:   Approval pending.