Automation System
A sequence controller:

performs on/off control functions in relation to time.
is a mechanical only controller
is difficult to program
None of these
is no longer in widespread use

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Automation System
Ergonomics refers to:

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

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Automation System
An encoder:

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

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