Automation System
The digitizing technology that uses an electric field radiated from the tablet and picked up by a cursor is:

None of these
sonic
electromagnetic
electrostic
raster

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

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

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