Difficulty: Easy
Correct Answer: Files are not stored in consecutive clusters
Explanation:
Introduction / Context:
Fragmentation affects file access speed because files become split across noncontiguous areas of the disk. Understanding what fragmentation is helps users decide when to run defragmentation utilities and diagnose performance problems.
Given Data / Assumptions:
Concept / Approach:
Fragmentation is a logical placement issue, not a physical hardware failure. When a file is not stored in consecutive clusters, the disk head must seek more, increasing access time.
Step-by-Step Solution:
Consider a file requiring N clusters.If free space is noncontiguous, the file is written in pieces to multiple separated cluster ranges.Future reads require multiple seeks, slowing performance.
Verification / Alternative check:
Run a defragmenter (e.g., DOS DEFRAG or Windows Defrag) and view the map: fragmented files show as multiple separated blocks. After defragmentation, files appear contiguous and access is faster.
Why Other Options Are Wrong:
Bad platters (Option A) indicate physical damage, not fragmentation.Corrupted data (Option B) may be a consequence of other issues, not the definition of fragmentation.Damaged clusters (Option C) refers to bad sectors, again a hardware/media integrity issue, not fragmentation.
Common Pitfalls:
Final Answer:
Files are not stored in consecutive clusters
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