Which is a common device for painting or selecting the object's co-ordinate positions?

A)  Keyboard
B)  Digitizer
C)  Touch panel
D)  Image scanner

Correct Answer :   Digitizer


Explanation : The digitizer is an operator input device, which contains a large, smooth board & an electronic tracking device, which can be changed over the surface to follow existing lines. The electronic tracking device contains a switch for the user to record the desire x & y coordinate positions. The coordinates can be entered into the computer memory or stored or an off-line storage medium such as magnetic tape.