Automation System
A way to transfer programs to a central system is:

by setting bit switches on the central CPU
to copy the program into PROMs and install the PROMs in the system
to develop the program on the actual system only
None of these
All of these

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Automation System
An encoder:

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

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