Modern Operating System (June – 2016) [IDOL - Revised Course | Question Paper]

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Time: 3 Hours

Total Marks: 100

N.B.:      (1) All Questions are Compulsory.

Q.1 Attempt Any Two From The Following: (10 Marks)
(A) Explain about RAID.
(B) Write a short note on OS generation.
(C) Explain in brief about PCB.
(D) Explain Tree Structured Directory.

Q.2 Attempt Any Three From The Following: (15 Marks)
(A) Define and explain OS in brief.
(B) Write a short note on Clustered System.
(C) Explain Distributed system in brief.
(D) Write a short note on Real Time Operating System.

Q.3 Attempt Any Three From The Following: (15 Marks)
(A) Write a short note on OS Design and Implementation.
(B) Write a short note on Layered architecture.
(C) Define system programs and give its types.
(D) Write a short note on Virtual Machine.

Q.4 Attempt Any Three From The Following: (15 Marks)
(A) What is Critical Section Problem?
(B) Explain Multithreading Models.
(C) Give 5 state model of a process.
(D) Explain different benefits of Threads.

Q.5 Attempt Any Three From The Following: (15 Marks)
(A) Write a short note on Segmentation.
(B) Explain paging in brief.
(C) What are the different types of page replacement algorithms for external fragmentation?
(D) Write a short note on Swapping.

Q.6 Attempt Any Three From The Following: (15 Marks)
(A) Explain the concept of Resource Allocation Graph.
(B) Explain Disk Structure in brief.
(C) Write a short note on file sharing and NFS.
(D) What are the four conditions necessary for Deadlock?

Q.7 Attempt Any Three From The Following: (15 Marks)
(A) Write a short note on Access Matrix.
(B) Explain two level Directory Structure.
(C) What are different types of Security Problems?
(D) Explain about the capability based system with example.