Automation System
A process controller:

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

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Automation System
How is the integral mode implemented on a digital controller?

None of these
the digital controller cannot handle integral mode
the error signal is summed over a discrete time interval and accumulated by the controller
the error is divided into discrete amounts
All of these

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Automation System
The program execution time:

All of these
must be slower than the fastest mechanical operation that is to be controlled
will vary depending on the language used
cannot be changed once the program is written
None of these

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Automation System
Resolution in a CRT refers to:

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

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