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

  • Segmentation
  • Swapping
  • Demand Paging
  • Multiple Contiguous Fixed Partitions

Answer: Option A

Similar Questions :

1. Memory protection is of no use in single user system.

  • True
  • False

Answer: Option A

2. File record length

  • Should be chosen to match the data characteristics
  • should be fixed
  • should be variable
  • vary system to system

Answer: Option A

3. What is a page fault ?

  • is an spelling error in a page in memory
  • is a reference to a page which is in another program
  • is an access to a page not currently in memory
  • always occurs whenever a page is accessed

Answer: Option C

4. Which scheduling policy is most suitable for time shared operating system ?

  • Shortest job first
  • FCFS
  • LCFS
  • Round robin

Answer: Option D

5. Paging is a method of memory allocation.

  • True
  • False

Answer: Option A

Read more from - Operating System Questions Answers - Set 2
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