GATE | GATE CS Mock 2018 | Set 2 | Question 13

Which of the following option is false?

(A) Internal fragmentation occurs when total memory space exists to satisfy the a request, but it is not contiguous. External fragmentation occurs when allocated memory may be slightly larger the requested memory, this size difference is memory internal to a partition,but not being used.
(B) Pure paging does not have external fragmentation, but may have internal fragmentation and Pure segmentation may have external fragmentation.
(C) Both (A) and (B)
(D) Neither (A) nor (B)


Answer: (A)

Explanation: External fragmentation occurs when total memory space exists to satisfy a request, but it is not contiguous. Internal fragmentation occurs when allocated memory may be slightly larger the requested memory, this size difference is memory internal to a partition,but not being used.

Pure paging does not have external fragmentation, but may have internal fragmentation and Pure segmentation may have external fragmentation.

Option (A) is false.


Quiz of this Question