Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

software
None of these
NC tape programming
logic
computer graphics workstation

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

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

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Automation System
Vision sensors:

All of these
will remain very costly
can not improve much in the next decade
None of these
will more closely match the capabilities of the human eye

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