Automation System
Numerical control:

applies only to milling machines
is a method for controlling the operation of a machine by means of a set of instructions
None of these
All of these
is a method for producing an exact number of parts per hour

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Automation System
A process controller:

can solve a PID process control equation easily
can interface to digital and analog I/O
All of these
None of these
is useful in a continuous process control application

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