Automation System
A program language:

defines the form of the instruction
All of these
is always machine dependent
is never machine dependent
None of these

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Automation System
What is proportional control?

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

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Automation System
Today, programmable controllers:

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

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Automation System
Vision sensors:

will remain very costly
All of these
will more closely match the capabilities of the human eye
None of these
can not improve much in the next decade

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