Automation System
The hardware device Jhat acts as both a switching and connecting unit is called a(n):

concentrator
communications processor
RS-232C port
None of these
multiplexer

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Automation System
High-level languages:

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

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Automation System
Ergonomics refers to:

the cost relationship of the workstation versus productivity
None of these
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

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