UGC-NET | UGC NET CS 2018 July – II | Question 56

Which of the following statements are true ?
(a) External Fragmentation exists when there is enough total memory space to satisfy a request but the available space is contiguous.
(b) Memory Fragmentation can be internal as well as external.
(c) One solution to external Fragmentation is compaction.
Code:
(A) (a) and (b) only
(B) (a) and (c) only
(C) (b) and (c) only
(D) (a), (b) and (c)


Answer: (C)

Explanation:

  • External Fragmentation exists when there is enough total memory space to satisfy a request but the available space is contiguous. This is a false statement because external fragmentation occurs due to non contigious available space.
  • Memory Fragmentation can be internal as well as external.True
  • One solution to external Fragmentation is compaction or shuffle memory contents.True
  • So, option (C) is correct.

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