Aspire Faculty ID #18882 · Topic: UGC NET Computer Science Nov 2021 (Paper II) · Just now
UGC NET Computer Science Nov 2021 (Paper II)

In a file allocation system, the following allocation schemes are used:

A. Contiguous

B. Indexed

C. Linked allocation

Which of the allocation scheme(s) given above will not suffer from external fragmentation?

Choose the correct answer from the options given below:

Solution

Contiguous allocation needs continuous disk blocks.

So, it suffers from external fragmentation.

Linked allocation stores file blocks anywhere on disk using links.

So, it does not suffer from external fragmentation.

Indexed allocation also stores file blocks anywhere and keeps their addresses in an index block.

So, it also does not suffer from external fragmentation.

Therefore, B and C only are correct.

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