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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
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

2. For multiprogramming operating system

  • special support from processor is essential
  • special support from processor is not essential
  • cache memory is essential
  • none of above

3. A high paging rate

  • may cause a high I/O rate
  • keeps the system running well
  • is a symptom of too much processor activity
  • always creates a slow system

4. Shortest Job First executes first the job

  • with the least processor needs
  • that first entered the queue
  • that has been in the queue for the longest
  • that last entered the queue

5. A hardware device which is capable of executing a sequence of instructions, is known as

  • CPU
  • ALU
  • CU
  • Processor
Read more from - Operating System Questions Answers - Chapter 1
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  • Prasanjeet 10 years ago

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