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A Traffic Signal That Is Preset to Cycle Through the Time

question 14

True/False

A traffic signal that is preset to cycle through the time sequences for the onset of the green-yellow-red light sequence is a mechanical example of an open-loop control system.


Definitions:

Kilohertz

A unit of frequency equal to one thousand hertz (Hz), often used to measure the clock speeds in computers and electronics.

Mouse

A hardware device used to enter user responses and commands into a computer.

Onscreen Icon

A graphical representation on a display screen that represents a program, function, or file, which users can interact with.

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