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
All of these
by setting bit switches on the central CPU
None of these
to develop the program on the actual system only

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Automation System
Relay ladder logic is used in a PC because:

All of these
None of these
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.
it is impossible to write a control program for a machine in any other logic

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Automation System
CAE and CAM are linked through:

NC tape programming and automated design
a common data base and communications system
assembly automation and tool production.
parts production and testing
None of these

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