COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A pen shaped device which can sense light, and is used to point at spots on a screen.
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Light pen
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Tracker ball
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Mouse
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Joystick
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Explanation:
Detailed explanation-1: -Option B Solution: Light Pen : A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor.
Detailed explanation-2: -Light sensors are a type of photodetector (also called photosensors) that detect light. Different types of light sensors can be used to measure illuminance, respond to changes in the amount of light received, or convert light to electricity.
Detailed explanation-3: -Also, the light pen is an optical input device.
There is 1 question to complete.