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

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Automation System
Speech recognition:

None of these
All of these
will be used in more applications as the technology matures.
is already widely used in industrial controls
will never be used in industrial controls

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Automation System
If the transient response of a system is overdamped:

the value of the output exceeds the value of the input at times during the transient period.
the value of the output never stabilizes.
the value of the output never exceeds the value of the input during the transient period.
All of these
None of these

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Automation System
An encoder:

is used to send telegraph signals
converts an input to a binary number
None of these
converts a binary number to a decimal number.
can have only four keys

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