If there are no actions that can be undone or redone, the Undo and Redo buttons are disabled-they ____.
A)appear grayed out
B)do not appear at all
C)appear crossed-out
D)return an error message when clicked

Question

Quizplus · Accepted Answer

When there are no actions that can be undone or redone, the Undo and Redo buttons are disabled and appear grayed out. This indicates to the user that these functionalities are not available at present.

If There Are No Actions That Can Be Undone or Redone