Automation System
What is proportional control?

The controller output varies continuously over a range
It has a discrete output for each error value
None of these
The gain is independent of offset error.
All of these

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Automation System
Microcomputer-based control sys-tems

will tend to increase in cost.
will just keep their present capability
None of these
All of these
will have more standard industrial application software available in the future.

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

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

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