Automation System
Resolution in a CRT refers to:

the number of pixels in each square centimeter
the speed at which the monitor can accept data from the computer
the number of addressable elements on the tube
None of these
the number of phosphor dots that react when hit by the electron beam

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Automation System
Most industrial control applications:

All of these
can be solved using more than one method of control
must have the process specified correctly to be successful
can be done more reliably using solid-state methods
None of these

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Automation System
Digital signals:

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

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