Automation System
The new industrial revolution has been caused by:

the Vietnam War
None of these
social unrest
advances in electronics
demand for higher wages

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Automation System
Relay ladder logic is used in a PC because:

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

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Automation System
The SKETCHPAD system

All of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
is used for interactive Graphics
None of these

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