Automation System
Trend analysis:

requires a very expensive system to implement
is a brand new concept
can improve control system response
is used only in financial planning
None of these

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Automation System
The SKETCHPAD system

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

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