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

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.
Creates images on the screen by scanning straight-line vectors between selected points.
Makes changes on the image by increasing the anode voltage.

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Vision sensors:

All of these
will remain very costly
None of these
will more closely match the capabilities of the human eye
can not improve much in the next decade

ANSWER DOWNLOAD EXAMIANS APP