What does 'Internal Fragmentation' mean in paging-based memory management? MCQ with Answer and Explanation

What does 'Internal Fragmentation' mean in paging-based memory management?
A. Unused space left over at the end of an allocated memory block or page frame.
B. Disk sector corruption within swap files.
C. Total breakdown of memory allocation tracking registers.
D. When two distinct programs try to overwrite the same RAM register.
Answer: Option A
Solution (By JKSSB Mock Tests)
Internal fragmentation happens when memory is allocated in fixed-size blocks (like pages), and a process requests less memory than the block size, leaving the remainder wasted inside that block.

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