Question

what is light pen. Explain in long​

Answer 1

Answer:

What is a light pen??

• A light pen is nothing but a light sensitive input device which can be used to give an input to the computer.

• Nowadays these light pens are used quite oftenly.

• They can be used with a CRT monitor and nowadays also these are used as highlighters.

• The computer keeps a track of where the light pen is moving and it can also take it as a input hence properly.

• These are mostly used in colleges, schools, offices and many more.

• It gives a user a very good experience as it is very similar to the pen which we normally wite with.

• In a light pen some graphics cards are also included which ensure to work smoother