Automation System
Digital signals:

have a sinusoidal shape.
None of these
have a frequency measured in units of hertz
are assigned values of 1 or 0 depending on the voltage level
can have three possible levels

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Speech recognition:

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

ANSWER DOWNLOAD EXAMIANS APP