The combination of conditioning plus the element being controlled by the computer is called a __________.

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Multiple Choice

The combination of conditioning plus the element being controlled by the computer is called a __________.

Actuator. In a computer-controlled system, the controller outputs a signal that must be conditioned to the right voltage/current and characteristics before it can drive a device. The combination of that signal conditioning and the device being driven is the actuator assembly—the part that converts the electrical signal into physical action. The other options don’t fit because a DAC is only the signal conversion step, a motor is a specific type of actuator, and an instrumentation amplifier is used for amplifying sensor signals, not driving the final control element.

Actuator. In a computer-controlled system, the controller outputs a signal that must be conditioned to the right voltage/current and characteristics before it can drive a device. The combination of that signal conditioning and the device being driven is the actuator assembly—the part that converts the electrical signal into physical action. The other options don’t fit because a DAC is only the signal conversion step, a motor is a specific type of actuator, and an instrumentation amplifier is used for amplifying sensor signals, not driving the final control element.

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