Define Joystick and Light Pen.

Define Joystick and Light Pen.
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1 Answer

Answer :

Ans : Joystick :
It is a pointing input device mostly used for computer or video games but they are also used occasionally for CAD / CAM systems and other applications.

Working :
Joystick is a vertical handle gripped by hands. The handle is used to move an object on screen in any direction. It usually has one or more push buttons for shooting , jumping etc. which are also called triggers.

Light Pen :
It is a pointing input device with a photo detector or light source works on a specially designed screen. It is usually used for designing engineering designs.

Working :
It has a switch and a cord that connects it to computer while some pens also have built in switches that activates when pressed on the screen. It works like a mouse.
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