External fragmentation is
A) when there is some unused memory that cannot be allocated to a process.
B) when the amount of available memory is less than the size of a process.
C) when a process is broken up into smaller parts for memory allocation.
D) when there is enough total memory space to satisfy a request but the available spaces are not contiguous.

Question

Quizplus · Accepted Answer

External fragmentation occurs when there is enough total memory space to satisfy a request, but the available spaces are not contiguous. This can happen over time as processes are allocated and deallocated, leaving small gaps between them that cannot be filled by larger processes.

External Fragmentation Is