1. Exhibits: Highlighter, Whiteboard Marker, Permanent Marker, Light Pen, Invisible Pen, Etc.

2. Digital writing systems for computers and mobile phones primarily composed of digital light pen and computer software

3. When the light pen is moved over the code, it triggers the chips to make sound through the loudspeaker.

4. Computer programs using algorithms may be utilized to translate the information inputted through the light pen into an infusion program.

5. Available peripherals included digital joystick s, analog paddle s, a light pen , the Commodore 1351 mouse , and the unique KoalaPad .

6. A light pen is a computer input device in the form of A light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display