Operating System 2015 – BSc Computer Science Part 2 (MJPRU)

Note: Attempt five questions in all. Attempt one question from each unit.

Unit-1

1. (a) Define the following types of operating systems:

(b) What are different services provided by any operating system?

2. (a) Explain the different types of file access methods.

(b) Define the following terms:

Unit-2

3. (a) Give difference between a program and a process.

(b)Draw and explain the process states.

4. (a) Explain Round-Robin CPU-scheduling algorithm.

(b) Which scheduling algorithm among FCFS, SJF and Round-Robin is best and why?

Unit-3

5. (a) How is paging different from segmentation?

(b) What are Bare Machines?

6. Describe the term “Resident Monitor” and explain it with proper example.

Unit-4

7. What are various conditions due to which a deadlock occur? Explain in detail.

8. (a) Elaborate the deadlock avoidance techniques.

(b) Define resource allocation graph.

Unit-5

9. (a) What are various policies to implement resource protection?

(b) What are main functions performed by a router?

10. (a) Define the following terms:

(b) List down the steps required for installing windows NT.

……..End……..