Automation System
The concept of a general CAD system was that it should provide:

All of these
A set of basic system functions and utilities.
None of these
A system for the operation of applications programming.
A system for handling user actions.

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Automation System
The SKETCHPAD system

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

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Automation System
CAE and CAM are linked through:

a common data base and communications system
None of these
parts production and testing
assembly automation and tool production.
NC tape programming and automated design

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