Automation System
Resolution in a CRT refers to:

the speed at which the monitor can accept data from the computer
the number of pixels in each square centimeter
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
Relay ladder logic is used in a PC because:

most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.
None of these
it is impossible to write a control program for a machine in any other logic
All of these

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