Automation System
Using a microcomputer as a controller allows:

faster cycle time
None of these
simpler mechanical hardware
more self diagnostics of the machine operation
All of these

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

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

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Automation System
Digital signals:

are assigned values of 1 or 0 depending on the voltage level
can have three possible levels
None of these
have a frequency measured in units of hertz
have a sinusoidal shape.

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