Question

what do you understand by mouse key​

Answer 1

Explanation:

Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys Today, mouse keys usually refers to the numeric keypad layout standardized with the introduction of the X Window System in 1984.[1][2]

Answer 2

Answer:

Mouse key is a feature of some graphical user interfaces that uses the keyboard(especially numeric keypad) as a pointing device ( usually replacing a mouse ).