Automation System
Direct Numerical Control means:

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

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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 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
Trend analysis:

requires a very expensive system to implement
is a brand new concept
None of these
can improve control system response
is used only in financial planning

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Automation System
The main function(s) of computer in CAD is/are

To enhance the analytical and logical power of the designer
To relieve the designer from routine repetitious tasks.
To serve as an extension to the memory of the designer
None of these
All of these

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