Automation System
The use of specialized workstations:

provides limited growth potentials for 3-D
has a high cost-performance tradeoff
None of these
reduces the host computer workload
reduces the host computer workload and allows more users

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Automation System
A sequence controller:

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

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