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Why may Redo be unavailable after a file is saved, closed and reopened following an Undo?

Answer and explanation

Correct answer: Because editing history is generally cleared when the session ends

The governing concept is the undo-redo history maintained by an application during an editing session. Undo reverses a recent action, and Redo can normally restore it only while that session’s history remains available. Saving and closing often ends or clears that temporary history, so Redo may not be offered after reopening. Option C is correct; file name, RAM increase, and hidden status are unrelated.

Related tags

UndoRedoEditing HistoryFile SessionsUsing An Operating System And File ManagementIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence

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