Automation System
Robots consist of three basic components; power supply, control (memory) console, and:

mechanical unit (arm)
None of these
software
microcomputer
coaxial cable

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Automation System
What is the process lag?

None of these
The time it takes for the mass of the process to respond to an input change.
The lag in the error signal when the setpoint is changed.
All of these
The time it takes for the sensor to respond to a changed.

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