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Computer Science Easy CSS Uploaded: 23 Aug 2026

Which key combination is used to undo an action?

  • A Ctrl+U
  • B Ctrl+Z
  • C Ctrl+X
  • D Ctrl+Y
Correct Answer: Option B — Ctrl+Z
Explanation:
Ctrl+Z is the universal keyboard shortcut for undoing the last action performed in most software applications, reverting the document or file to its previous state.
Submitted by: PaperMCQs
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