Automation System
Using a microcomputer as a controller allows:

None of these
simpler mechanical hardware
more self diagnostics of the machine operation
All of these
faster cycle time

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Automation System
Speech recognition:

will be used in more applications as the technology matures.
None of these
will never be used in industrial controls
is already widely used in industrial controls
All of these

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Automation System
D/A (digital to analog) conversion:

has to be sampled at 1/2 the highest input frequency
both (b) and (c)
must be fed through a filter to reproduce the original signal accurately
None of these
results in a binary code as the final output

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