Question:easy

Which of the following is not a valid file allocation method?

Show Hint

Three real methods are Contiguous, Linked, and Indexed. One option is none of these.
Updated On: Jul 2, 2026
  • Indexed Allocation
  • Contiguous Allocation
  • Logical Allocation
  • Linked Allocation
Show Solution

The Correct Option is C

Solution and Explanation

Recall the three ways a file system maps a file to disk blocks. First, put the whole file in a run of neighbouring blocks. Second, store blocks anywhere and link them with pointers. Third, gather every block address into one index block.

These are Contiguous, Linked, and Indexed. Scan the options and remove each real method. What is left is Logical Allocation, which is not a named file allocation scheme.

\[\boxed{\text{Logical Allocation}}\]
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