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

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

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Automation System
The program execution time:

will vary depending on the language used
None of these
cannot be changed once the program is written
must be slower than the fastest mechanical operation that is to be controlled
All of these

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Automation System
Direct Numerical Control means:

eliminating computers from the manufacturing process
using one computer to control several machines
using several computers to control one large machine
complete elimination of a need for a human operator.
None of these

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