Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

the system must make provision for new techniques.
there should be a common 3-D part description system.
technical assistance must be provided to the user.
None of these
the user must have access to both hardware and software

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

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

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