Automation System
Most industrial control applications:

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

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Automation System
Time proportioning control:

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

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Automation System
The program counter:

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

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Automation System
A semi-continuous operation means:

a computer is a required part of the machine
the operation is continuous each shift, but stops between shifts
None of these
coffee breaks are allowed for the operator
each operation in a sequence is continuous, but subsequent operations in the sequence may be different.

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