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

Joystick
Programmable function box
None of these
Touch terminal
Plotter

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Automation System
The refresh-vector CRT uses which of the following techniques?

Creates images on the screen by scanning straight-line vectors between selected points.
None of these
The beam constantly travels across the screen to turn on/off a series of pixels.
Makes changes on the image by increasing the anode voltage.
Uses an electron gun to continuously flood the surface of the tube.

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