Automation System
The SKETCHPAD system

consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these
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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Automation System
Sensors:

are easily developed
will be much smarter and more sophisticated in the future
None of these
probably will not improve over the next decade
are not important in automation

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Automation System
A solenoid:

can be used only in de circuits
is widely used in industrial automation
is related to an aneroid
None of these
is spring operated

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