Automation System
D/A (digital to analog) conversion:

results in a binary code as the final output
has to be sampled at 1/2 the highest input frequency
None of these
must be fed through a filter to reproduce the original signal accurately
both (b) and (c)

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Automation System
The robot:

represents the most powerful new industrial automation tool currently on the horizon
All of these
is very primitive at the present
None of these
will be more useful when robot vision is improved significantly

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

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