Automation System
Resolution in a CRT refers to:

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

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Automation System
Digital signals:

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

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