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

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

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Automation System
Straight-line operations:

must be limited to two per workpiece
None of these
All of these
can include diagonal cuts if they aren't curved
must be parallel to one of the axes of the coordinate system

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