Answer:
Backspace and Delete are the two keyboard keys which can be used for the above scenarios provided in the question.
Explanation:
When we type the word from a keyboard then we can do mistakes because we are human and humans can do the mistakes anywhere. Then there are two keyboard keys that can help to erase the data and then a user can type the correct word. The two keyboard keys are --
"Backspace" key moves in the back side direction whereas the"Delete" key moves in the forward direction.