Which one of the following is a pointing device ?

A pointing device is an input hardware component that allows a user to control the movement of a cursor or pointer on a graphical user interface (GUI) to select and interact with items. Among the given options:

• Optical Mouse: This is a pointing device that uses a light source (usually an LED) and a sensor to detect movement relative to a surface.
• Scanner: This is an input device used to digitize physical images or text, but it is not used for pointing.
• Keyboard: This is an input device used for typing text and entering commands via keys.
• Printer: This is an output device used to produce physical copies of digital documents.

Common examples of pointing devices include the mouse, touchpad, trackball, joystick, and stylus.