CS2411 - Operating System Part B Important Questions | CS 2411 OS Part B (16 Marks) Expected Questions ...

CS2411 - Operating System Part B Important Questions | CS 2411 OS Part B (16 Marks) Expected Questions ...



Posted by R.Anirudhan

CS2411 - Operating Systems

UNIT I


1.      Explain how hardware protection can be achieved and discuss in detail the dual mode of operations.
2.      Explain in detail any two operating system structures  
3.      Explain the Types of System Calls in detail
4.      List out the services provided by operating system in detail
5.      Describe the differences among short-term, medium-term, and long-term scheduling.

UNIT II

1.      Explain briefly any four CPU scheduling algorithms with examples
2.      Explain Banker's deadlock-avoidance algorithm with an illustration
3.      Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores
4.      Define critical section problem and discuss the three requirements that a solution to the critical section problem must satisfy
UNIT III

1.       Discuss the following page replacement algorithms, giving a suitable page reference string (i) LRU (ii) FIFO and (iii) Optimal
2.       Explain the most commonly used techniques for structuring the page table
3.       Explain  the  concept  of  demand  paging.  How  can  demand  paging  be implemented with virtual memory? 
4.       Explain in detail about memory management in linux

UNIT IV

1.      what are the directory implementation techniques available ?Explain in detail
2.      Explain the various directory structure in detail
3.      Explain in detail the free space management with neat diagram
4.      Explain various file allocation methods in detail.

UNIT V
1.      Write short notes on the following   (i)  I/O Hardware (ii)  RAID structure
2.      Explain  in  detail  various  disk  scheduling  algorithms  with  suitable example
3.      Explain the services provided by a kernel I/O subsystem


ALL THE BEST

BY 
R.Anirudhan



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