B.Sc. (Computer Science) Sem 4 Operating System 2017-18 Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any four. 20 marks
   • 1. Write a short note on OS services
   • 2. State and explain different types of system call,
   • 3. Explain multithreading model
   • 4. Describe Layered approach. a
   • 5. Define cooperative Processes. Explain its four benefits
   • 6. Explain Five State Process Model with a neat diagram
   • 7. Explain ls command with options
   • 8. Explain ps command in linux
2. Q2 Attempt any four. 20 marks
   • 1. Write short note on monitor
   • 2. Write a short note on Semaphore
   • 3. write a script to perform mathematics operations
   • 4. Write a script to- Redirecting Output and Redirecting Input in Scripts
   • 5. Define deadlock. Explain conditions of deadlock
   • 6. Depict the Gantt chart for FCFS and SJF for the following and find the following and
   • 7. How we can recover deadlock? Explain in detail
   • 8. Explain RR scheduling with example
3. Q3 Attempt any four. ‘
   • 1. Write short note on Virtual memory
   • 2. Write a short note on Segmentation
   • 3. Explain the read command with option and suitable example
   • 4. Explain in brief single-level and two-level directory structure
   • 5. Explain FIFO algorithm with example
   • 6. Explain CASE structure in linux
   • 7. Explain 1) if.then 2) for loop in linux with example
   • 8. Create a script to find out largest no of two nos

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