DISTANCE EDUCATION
M.Sc. 5 Years Integrated DEGREE EXAMINATION,
MAY 2018.
OPERATING SYSTEMS
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Explain the concept of Shell, Protection and Input/Output
in Operating Systems.
2. Describe the history of Operating systems.
3. Discuss on the concept of Semaphores, Monitors and
Message Passing in IPC.
4. Explain the methods of Deadlock Detection and Recovery.
5. Describe the components of I/O Software Layers.
6. Discuss on the concept of Segmentation in Memory
management.
7. Explain the different kinds of Directory systems and their
functions.
8. Describe the concept of File System Reliability.
Sub. Code
24
DE-4148
2
wk7
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Discuss on the System calls for Process, File, and
Directory management.
10. Explain the Process model, creation termination,
hierarchies, states and implementation.
11. Describe the working principles of I/O hardware in detail.
12. Discuss on the Deadlock Avoidance techniques.
13. Explain the concept of Virtual memory in detail.
14. Describe the any four Page replacement algorithms.
15. Discuss on the concept of Shared files and Disk space
management.
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