Automation System
The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:

marketing manager
finance manager
None of these
president
MIS manager

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Automation System
Digital signals:

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

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