BSc IT Sem I 2018 19 2018-19 OPERATING SYSTEMS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any three of the following: 15 marks
   • a. What is Operating System? Explain the role of operating system as extended machine
   • b. Write a short note on Fifth Generation of Operating System
   • c. Explain multithreaded and multi-core chips
   • d. Using suitable diagram explain the structure of disk drive
   • e. Write a short note on Process Model
   • f. Explain the dining philosopher’s problem
2. Q2 Attempt any three of the following: 15 marks
   • a. Explain the concept of running multiple programs without memory abstraction
   • b. How swapping helps to hold large programs in RAM? Explain Using suitable diagram
   • c. Explain Clock page replacement algorithm using suitable example
   • d. List and explain any five operations performed on Files
   • e. Explain the Unix V 7 File system
   • f. List and explain any five operations performed on Directories
3. Q3 Attempt any three of the following: 15 marks
   • a. What are block devices and character devices? Explain
   • b. Write a short note on Memory Mapped IO
   • c. Explain Direct Memory Access using suitable diagram
   • d. Explain preemptable and non-preemptable resources
   • e. List Coffman's four conditions that must hold for a resource to be in deadlock
   • f. Explain the process of Deadlock Detection with One Resource of Each Type
4. Q4 Attempt any three of the following: A Write a note on Type-1 and Type-2 Hypervisor B Explain any five advantages of virtualization C List and explain five essential characteristics of Cloud D Write a note on Virtual Machine Migration E What is Master-Slave Multiprocessors Operating System? F List the different Multicomputer Interconnection Technologies. Explain any two 15 marks
5. Q5 Attempt any three of the following: 15 marks
   • a. Explain the kernel structure of Linux
   • b. List and explain any five file-system related system calls in Linux Using suitable diagram explain the architecture of Android Operating System
   • d. Explain the programming layers in modern windows operating System
   • e. Explain the booting process of windows OS
   • f. Write a note on windows power management

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