Automation System
Compared to humans, machines:

can work in harsher environments
can make more complex decisions based on unexpected circumstances
None of these
(a) and (c)
make fewer errors

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Automation System
The program counter:

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

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Automation System
What is the process lag?

The time it takes for the sensor to respond to a changed.
The lag in the error signal when the setpoint is changed.
None of these
All of these
The time it takes for the mass of the process to respond to an input change.

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