Automation System
The device that assembles groups of characters into complete messages prior to their entering the CPU is called:

None of these
a compiler
an interpreter
an editor
a communications processor

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Automation System
A process controller:

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

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Automation System
What is the process lag?

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

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