Automation System
An encoder:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Sensors:

are not important in automation
are easily developed
probably will not improve over the next decade
will be much smarter and more sophisticated in the future
None of these

ANSWER DOWNLOAD EXAMIANS APP