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

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

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Automation System
A venturi tube:

None of these
measures the presence of a liquid
is made only of metal
is extremely difficult to use
can be used to measure gas or liquid flow rates

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