Automation System
Which of the following is often used as an alternative to the light pen or in association with storage tube displays?

Track ball
Mouse
Digitiser
Tablet
None of these

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Automation System
What is the process lag?

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

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Automation System
If the transient response of a system is overdamped:

the value of the output exceeds the value of the input at times during the transient period.
None of these
the value of the output never exceeds the value of the input during the transient period.
the value of the output never stabilizes.
All of these

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Automation System
The program execution time:

cannot be changed once the program is written
will vary depending on the language used
None of these
All of these
must be slower than the fastest mechanical operation that is to be controlled

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