Automation System
One of the following is not considered a method of input control in a CAD system.

None of these
Joystick
Touch terminal
Plotter
Programmable function box

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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.
technical assistance must be provided to the user.
the user must have access to both hardware and software
the system must make provision for new techniques.
None of these

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