Multiple choice

The memory allocation scheme subject to 'external fragmentation' is

  1. segmentation

  2. swapping

  3. pure demand paging

  4. multiple contiguous fixed partition
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A Correct answer
Explanation

Segmentation divides memory into variable-sized segments, leading to external fragmentation when unused gaps develop between segments. Swapping moves processes in and out of memory, pure demand paging loads pages only when needed, and fixed partitions have internal fragmentation.

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