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In a Windows Operating System, what is the short cut key for undoing a task?
1. Ctrl + Z
2. Ctrl + A
3. Ctrl + C
4. Ctrl + Y

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Best answer
Correct Answer - Option 1 : Ctrl + Z

The correct answer is Ctrl + Z.

  • Ctrl + Z is the shortcut key for undoing a task.

  • Undo is a function performed to reverse the action of earlier action.
  • Any actions that were previously undone using the Undo function are restored using the Redo function.
  • For example, if you entered a word and then used the undo function to remove it, the redo function would restore the erased word.

Shortcut keys
Tools Name Keyboard Operation Description
Undo Ctrl + Z Reverses the last command.
Redo Ctrl + Y Reverses the action of the Undo button.
Copy Ctrl + C Copies the selected item to the clipboard.
Paste Ctrl + V Places the content of the clipboard at the insertion point.
Cut Ctrl + X Removes the selection from the document and place it on the clipboard.

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