Automation System
Digitizers can be converted from "dumb" to "smart" through the addition of:

an electromagnetic coupling
a scanner
keyboard
None of these
a microprocessor

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Automation System
Microcomputer-based control sys-tems

All of these
will have more standard industrial application software available in the future.
will tend to increase in cost.
will just keep their present capability
None of these

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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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