Operating System Questions Answers - Set 2

• 15. Paging is a method of memory allocation.

  1. True
  2. False

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 16. Which of the following memory allocation scheme is subject to external fragmentation ?

  1. Segmentation
  2. Swapping
  3. Demand Paging
  4. Multiple Contiguous Fixed Partitions

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 17. Spooling is most beneficial where

  1. Jobs are I/O bound
  2. Jobs are CPU bound
  3. Jobs are evenly divided as I/O bound and CPU bound
  4. All of above

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 18. File record length

  1. Should be chosen to match the data characteristics
  2. should be fixed
  3. should be variable
  4. vary system to system

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 19. In which of the following usually a front end processor is used ?

  1. Virtual storage
  2. Timesharing
  3. Multiprogamming
  4. Multithreading

  Answer And Explanation

  Answer: Option B

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• 20. Remote computing services involves the use of ?

  1. multiprocessing
  2. multiprogramming
  3. batch processing
  4. real time processing

  Answer And Explanation

  Answer: Option C

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• 21. Banker's algorithm for resource allocation deals with ?

  1. deadlock prevention
  2. deadlock aviodance
  3. deadlock recovery
  4. circular wait

  Answer And Explanation

  Answer: Option B

  Explanation:

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