Sunday, February 4, 2018

OPERATING SYSTEMS QUESTION BANK FOR FIRST MID


Unit-1
2 marks Questions
1.       Define operating system.
2.       List any four types of system calls.
3.       Define user view of OS.
4.       Define time-sharing systems.
5.       Define interrupt.
6.       Describe User Interface.

3 marks  Questions
1.       List any four functions of operating system.
2.       List the memory hierarchy available in operating system.
3.       Describe Client-Server Computing.
4.       Differentiate between Application and System Program.
5.       Describe different Multiprocessor System.
6.       Describe Design Goals of Operating System.

10     Marks questions
1.      (a) Explain the memory hierarchy available in a computer system.     
(b) Discuss services of an operating System with neat diagram.
2.      (a) Differentiate between user mode and kernel mode operations of the operating system with diagram.
            (b) Discuss  system call. Explain different types of system calls with examples?
3.      Describe different types of Computer System Architecture.
4.      Compare different types of Operating System Structure.
5.      (a)Classify System Program.
            (b) Identify system calls to copy File content from source to destination.
6.      (a) Compare different User Interfaces.
            (b) Differentiate between the client-server and peer-to-peer computing?


Unit-2
2 marks Questions
1.       Define process.
2.       Define Thread.
3.       What is a ready Queue.
4.       Define fork() function.
5.       Define exec() function.
6.       Define Inter Process Communication.

3 marks Questions
1.       List out component of Process in memory.
2.       List various states of Process.
3.       Describe Device queue.
4.       List requirement to satisfy critical section problem’s solution.
5.       Differentiate between Binary and Counting Semaphore.
6.       Draw general structure of Critical Section.

10 marks Questions
  1. (a) Discuss Life Cycle of Process with state transition diagram.                 
  2. (b) Describe operations on Processes.                                                              
  1. (a) Compare different types Process Schedulers?                                                                      
  2. (b) Consider the following set of processes.
Process
Arrival Time
Burst Time
P1
0
6
P2
1
1
P3
3
2
P4
4
3
P5
5
5

 Calculate Average waiting time and Average Turn Around Time using FCFS, SRTF Scheduling.    
                                                                                                    
3.       Describe Shared Memory System and Shared Memory System with example.
4.       (a) Discuss Peterson’s solution.
            (b)Explain   solution of Dining-Philosophers Problem using Semaphore.
5.       (a) Discuss Monitors with  diagram.
 (b) Explain   solution of Dining-Philosophers Problem using Monitor.
6.      (a) Describe Context Switching in Process Scheduling.
(b) Explain Process Control Block using Diagram.













Unit-3

2 marks Questions

1.      Define Cache Memory.
2.      Define Registers.
3.      What is Logical address space.

3 marks Questions

1.      Draw hardware protection diagram using base and Limit register.
2.      Summarize Dynamic loading.
3.       Differentiate between Compile Time and Load Time Address Binding.

10 marks Questions
1.       (a) Discuss Logical vs Physical address  space.
(b) Explain dynamic linking and Shared Library.
2.        (a) Compare different   memory allocation Strategies.
 (b) Explain different types of Fragmentation.   

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