Automation System
A process controller:

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

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Automation System
Resolution in a CRT refers to:

the number of pixels in each square centimeter
the speed at which the monitor can accept data from the computer
the number of phosphor dots that react when hit by the electron beam
None of these
the number of addressable elements on the tube

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Automation System
Time proportioning control:

cannot use a TM990 micro¬computer
can be used on a PM550 programmable process controller
is less efficient than normal PID control
a and b above.
None of these

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