Operating System (September – 2013) [IDOL - Old Course | Question Paper]

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Time: 3 Hours

Total Marks: 100

N.B.:     (1) Questions No. 1 is Compulsory.

              (2) Answer any four questions from Question Nos. 2 to 7.

Q.1 Attempt The Following Question: (20 Marks)

(A) Explain various functions of Operating System.

(B) Explain FCFS Algorithm with proper example.

Q.2 Attempt The Following Question: (20 Marks)

(A) Explain Real Time OS. Explain its types.

(B) Explain Multiprogrammed OS with diagram.

(C) Explain Distributed OS. Explain its types.

Q.3 Attempt The Following Question: (20 Marks)

(A) What is OS? Explain various services provided by OS.

(B) Explain Caching.

(C) Explain Preemptive and Non-Preemptive Algorithm.

Q.4 Attempt The Following Question: (20 Marks)

(A) Explain various Multithreaded Model in detail.

(B) What is Scheduling? Explain Long-Term and Short-Term Scheduling.

(C) What is process? Explain various process states with neat diagram.

Q.5 Attempt The Following Question: (20 Marks)

(A) What are Best-fit, First-fit and Next-fit Algorithms? Explain with neat diagram.

(B) Explain various File Operations.

(C) How paging is performed explain in detail.

Q.6 Attempt The Following Question: (20 Marks)

(A) Explain advantages and disadvantages of a GUI Based Operating System.

(B) What is Deadlock? What is Resources Allocation Graph?

(C) Explain PCB.

Q.7 Attempt The Following Question: (20 Marks)

(A) Write note on Semaphores.

(B) Explain various technique in Memory Management.

(C) Explain Deadlock Avoidance Techniques.