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A traffic signal is controlled by a control box on the side of the intersection, the control box receives data from electromagnetic sensors under the pavement, and that data is processed by amplifiers inside of the box and the traffic controller makes the appropriate decision on what to do. So to answer the question, the traffic light is a decision made by the traffic controller which is a output.
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Is lights a input or output?
Light Pen is an input Device.
Is a light pen a input or output?
Light Pen is an input Device.
Is a LED an input or output?
In Light Emitting Diodes when electron jumps from one state to another state it emits some energy in the form of light. And the light will be different for different type of semi conductor materials used for making for it. So, in conclusion Light in LED is a result of output process.
Is a buzzer an input or output device?
output cuz it got swag
Is ocr an input or output device?
input device
