If two non-continuous free partition of size ‘a’ and ‘b’ are available. A…
2021
If two non-continuous free partition of size ‘a’ and ‘b’ are available. A process of size ‘c’ cannot be allocated even when a + b > c, a < c and b < c. This problem is known as __________.
- A.
external fragmentation
- B.
internal fragmentation
- C.
quick fit
- D.
worst fit
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Correct answer: A
When total free memory exceeds process size but blocks are non-contiguous, allocation fails. This occurs because no single partition is large enough to hold the process.
This specific problem is defined as external fragmentation in operating systems.