Automation System
Ergonomics refers to:

the level of involvement the operator has with the workstation
the technology involved in the workstation itself
the human aspect of the environment around the workstation as well as the workstation itself
None of these
the cost relationship of the workstation versus productivity

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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
must be slower than the fastest mechanical operation that is to be controlled
All of these

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Automation System
Trend analysis:

None of these
is a brand new concept
requires a very expensive system to implement
is used only in financial planning
can improve control system response

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Automation System
An encoder:

is used to send telegraph signals
converts a binary number to a decimal number.
can have only four keys
converts an input to a binary number
None of these

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