Automation System
Automation normally means:

None of these
no change in jobs.
a net loss of jobs.
a net increase in jobs.
All of these

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

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.
The beam constantly travels across the screen to turn on/off a series of pixels.
None of these

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Automation System
Pressure sensors:

use an aneroid chamber with a variable resistance output
use capacitive variations to sense pressure
All of these
use the piezoresistive effect in strain gauge sensors
None of these

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