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Fragmentation of a file system

  • occurs only is file is not used properly
  • can always be prevented
  • happens in all file systems
  • can be removed by compaction

Answer: Option B

Similar Questions :

1. The LRU algorithm

  • pages out pages that have been used recently
  • pages out pages that have not been used recently
  • pages out pages that have been least used recently
  • pages out the first page in a given area

Answer: Option C

2. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

Answer: Option C

3. Operating system is

  • A collection of hardware components
  • A collection of input output devices
  • A collection of software routines
  • All of above

Answer: Option C

4. Dirty bit is used to show

  • Page with corrupted data
  • Wrong page in memory
  • Page that is modified after being loaded in the cache memory
  • page that is less frequently accessed

Answer: Option C

5. Which scheduling policy is best suited for time-sharing operating systems

  • Shortest job first
  • Round robin
  • First come first serve
  • Elevator

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
Post a comment

  • Prasanjeet 9 years ago

    Fragmentation of a file system can be temporarily remove by compaction.

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