Question

What is the light pen​

Answer 1

• A light pen is a computer input device in the form of a light-sensitive wand used with a computer's cathode-ray tube display.
• It allows the user to point to displaye objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
• it contains photvoltaic cells that convert the light energy emiited from the ipad or screen to electrical energy . #answerwithquality #BAL

Answer 2

A light pen is a light-sensitive pointing input device commonly used to select or otherwise modify text or data on a screen. Used with a CRT monitor, these devices were an early form of manipulating and highlighting data on the screen.