Automation System
Microcomputer-based control sys-tems

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

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Automation System
Digital signals:

can have three possible levels
are assigned values of 1 or 0 depending on the voltage level
have a frequency measured in units of hertz
have a sinusoidal shape.
None of these

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