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.
None of these
All of these
is used for interactive Graphics
is expensive because it is sophisticated and make demands on the power and resources of the computer.

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Automation System
Sensors:

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

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Automation System
High-level languages:

None of these
are "procedure-oriented"
require knowledge of the computer design
are very difficult to use
cannot be used with automatic systems.

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