Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

the user must have access to both hardware and software
technical assistance must be provided to the user.
the system must make provision for new techniques.
there should be a common 3-D part description system.
None of these

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

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