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Computer Science Medium PMS Uploaded: 23 Aug 2026

Which data structure follows the FIFO principle?

  • A Stack
  • B Graph
  • C Queue
  • D Tree
Correct Answer: Option C — Queue
Explanation:
A queue follows First In First Out (FIFO), where the first element added is the first to be removed, similar to people waiting in a line.
Submitted by: PaperMCQs
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