Automation System
Most industrial control applications:

must have the process specified correctly to be successful
None of these
can be done more reliably using solid-state methods
can be solved using more than one method of control
All of these

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Automation System
The program counter:

is where arithmetic is done in a computer.
None of these
contains the address of the next instruction to be executed
decides which program to run
counts the number of instructions that have been executed

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Automation System
Time proportioning control:

a and b above.
None of these
cannot use a TM990 micro¬computer
is less efficient than normal PID control
can be used on a PM550 programmable process controller

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