- A light pen is a computer input device.
- It is light-sensitive.
- It is used as a stylus.
- It is also called a ‘laser pen’.
- It is a flash-light type device.
- It is used to select text, draw, and write on a computer screen or monitor.
- Alternatively, light pens could also denote the laser device used to point during presentations.
- It was first invented by Ben Gurly.
- This was in the year 1959.
- With the advent of touch screens, they are no longer in use today.
