Automation System
One advantage of a PC in industrial control is that it:

is very difficult for the inexperienced programmer to understand
is unreliable because there are no moving parts
has a reliable long life compared to relay logic
None of these
All of these

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Automation System
Vision sensors:

All of these
will remain very costly
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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