Automation System
An operating system:

All of these
None of these
can help reduce software development time
is useless in most control applications
provides ability for other programmers to understand the software structure

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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.
Uses an electron gun to continuously flood the surface of the tube.
Makes changes on the image by increasing the anode voltage.

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