Question

Explain in brief the following devices: (a) Plotter (b) Light Pen

Answer 1

Light Pen: Light Pen is basically used for Teaching and Business purposes, some teachers find writing in black board with chalk and rubbing it and doing so on, The technology has improved, They can easily use the light pen to write on the Smart Board, Star Board or any board controlled by a CPU, Projector, They easily write on the board and keep going down and down until they finish.
Plotter: A piece of equipment that marks out points on a chart, That's all I know about Plotter, I since dunno anything about it. "What we learnt is Handful and what are there to learn are infinite".

Answer 2

PLOTTER - A plotter is a type of computer printer which is used for printing vector graphics.But today they are not used as it was before.

LIGHT PEN - A light pen is a input device which is used in display to point out the the displayed object on the screen.It can also be used for drawing purposes.

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