Automation System
Operator interaction directly with the CRT is accomplished via:

vector scanning
a digitizing tablet
None of these
a touch terminal
a stylus

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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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