Automation System
A technique for displaying applications where complex 3-D geometric are required for the exteror shall of a product is called:

3-D modeling
2-D modeling
surface modeling
solid modeling
None of these

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Automation System
The SKETCHPAD system

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

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