Automation System
High-level languages:

None of these
require knowledge of the computer design
cannot be used with automatic systems.
are "procedure-oriented"
are very difficult to use

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Automation System
Semiconductor devices:

All of these
have a very short infant mortality period
None of these
usually have a very short MTBF (mean time between failure)
are less reliable than electro¬mechanical components

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Automation System
What is offset error?

the difference between the sensor input and the absolute sensed parameter.
All of these
the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.
None of these

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