Because it emits a beam of light - which is detected by a special membrane on the computer screen.
Light pen is a mechanical or optical device? i don't know answer for this
Light sensitive elements
An infrared pen is only a pen shaped holder for someone to apply infrared light (heat) the ease
The inventor of the light pen was MIT in 1952. It is a computer accessory that is commonly found in businesses. It is also used with some handheld mobile devices.
lots of ways! like reading
a pen light :)
function of light pen
Light Pen is an input Device.
Light Pen is an input Device.
he was called bobhe was called bob
The light pen is used to draw objects on a CRT computer screen. They are also used to display objects over computer devices.
Light pen is a mechanical or optical device? i don't know answer for this
Mouse or light pen
Pen is called "kalam" in Hindi.
A sheep pen is called just a "pen." The larger pens or multiple pens together is called a stockyard.
Light sensitive elements
Ball point pen is called ball pen in India