Automation System
A stepping motor;

None of these
has a commutator
can index positional movement.
is a good choice where continuous rotation is needed
has a speed proportional to voltage input

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Automation System
CAE and CAM are linked through:

a common data base and communications system
None of these
assembly automation and tool production.
parts production and testing
NC tape programming and automated design

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Automation System
Speech recognition:

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

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