Automation System
The real "brain" of an artificial intelligence system is referred to as:

None of these
recursive technology
the expert system
bubble memory
natural language interfaces

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

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

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Automation System
What is the difference between integral and derivative control?

derivative control does not eliminate offset error
All of these
derivative control responds to a change in the rate of change in the error signal
integral control has slower response to an error signal.
None of these

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Automation System
Direct Numerical Control means:

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

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