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

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
None of these
All of these

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Automation System
Straight-line operations:

must be parallel to one of the axes of the coordinate system
must be limited to two per workpiece
None of these
can include diagonal cuts if they aren't curved
All of these

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