A Menu is the term given to drop-down lists which display commands so that they can be excecuted. Menus are used in computers with a Graphical User Interface and not in a Command-Line Interface because a Menu is usually displayed somewhere in the computer, and in a Command Line Interface, this is not possible because every single command has to be written down. Menus can be accesed with the click of a Mouse, the click of a key in a Keyboard, with an Electro Mechanical Pointer/ Light Pen, or by the touch of the screen. In computers used by those that are disabled, Menus are accessed by voice commands. The most common type of Menu is a computer's start Menu.
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