BSc IT Sem III 2014 2015 2015 MOS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 any two,
   • a) Define Operating and Explain Structure of Computer System
   • c) Explai System with advantages and Role of compiler with its differ
   • d) Write different phases
   • d) rite snort note on Linker
   • a) Explain different interfaces of Operating system
   • b) What are the different types of system calls? Explain simple structure of operating system 3 d) What is virtual machine explain with diagram? Attempt any two. (10) Write short note on semaphore Explain Process State model
   • c) Explain concept of threads and thread models
   • d) Calculate average waiting time according to FCFS algorithm
   • a) Write a short note on fragmentation
   • b) Explain concept of virtual
   • c) Calculate page fault for following reference string using FIFO page replacement
   • d) Explain Concept of Demand paging
2. Q5 Attempt any two
   • a) Explain Resource allocation graph
   • b) Explain file types
   • c) Explain concept of Mounting. ditions
   • d) Explain deadlock with its four necessary 10
3. Q6 any two
   • a) Write short note on worm Explain Application IO
   • d) Explain Different types of virus
4. Q7 Attempt any three Explain Real Time operating system with its advantages and Explain work of kernel What are different scheduling
   • d) Write a short note on logical v/s
   • e) Explain concept of NFS Explain Typical Bus Structure

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