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

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

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Automation System
The robot:

is very primitive at the present
None of these
represents the most powerful new industrial automation tool currently on the horizon
All of these
will be more useful when robot vision is improved significantly

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