Automation System
Which item best describes a CAM technology?

Drafting
Numerical control
Geometric modeling
Documentation
None of these

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Automation System
Relay ladder logic is used in a PC because:

None of these
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.
All of these
it is impossible to write a control program for a machine in any other logic

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

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