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

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

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

None of these
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.

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Automation System
Programmable controllers:

None of these
are programmed using relay ladder logic
(a) and (c) above
cannot perform functions other than relay logic
are widely used in many different industries

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