Operating System 2015 – BSc Computer Science Part 2 (MJPRU)
Paper code: 13513
1513
B.Sc. (Computer Science) (Part 2)
Examination, 2015
Paper No. 2.1
OPERATING SYSTEM
Time: Three Hours] [Maximum Marks: 33
Note: Attempt five questions in all. Attempt one question from each unit.
Unit-1
1. (a) Define the following types of operating systems:
- Batch O.S.
- Real Time O.S.
- Multiprocessor O.S.
(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:
- Directory
- Record
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:
- Server
- DSN
(b) List down the steps required for installing windows NT.
……..End……..
