AScanner
BJoystick
CDigitizer
DOptical mark reader
Answer:
B. Joystick
Read Explanation:
Joystick: A joystick is a classic pointing device (along with a mouse, trackball, and light pen) that consists of a stick pivoting on a base. It is used to control the position of a cursor or an object on a computer screen, commonly used in video games, CAD software, and machinery control.
Why the other options are not classified as pointing devices:
Scanner: An input device used to optically convert physical documents, photos, or text into digital images.
Digitizer (Graphics Tablet): An input device that converts analog drawings or hand-written signals into digital data for a computer. While it uses a stylus, it is primarily categorized as a graphics/drawing tablet rather than a standard cursor-pointing device.
Optical Mark Reader (OMR): An input device that detects predefined pencil or pen marks on specially designed paper forms (such as multiple-choice exam answer sheets).