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
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.
Uses an electron gun to continuously flood the surface of the tube.

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A solenoid:

None of these
is related to an aneroid
is widely used in industrial automation
is spring operated
can be used only in de circuits

ANSWER DOWNLOAD EXAMIANS APP