Automation System
Which device does the general population associate most with automation?

Computer graphics workstation
Flexible manufacturing
Numerical control machine
None of these
Robots

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Automation System
Today, programmable controllers:

None of these
All of these
are more powerful then the first controllers on the market
are relatively low cost compared with the original digital equipment available for industrial control
can be cost effective even when replacing just a few relays

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

the digital controller cannot handle integral mode
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

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