Automation System
The use of specialized workstations:

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

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Automation System
A dc servo motor:

None of these
can provide precise position control
All of these
uses a tachometer for speed feedback
uses a variable dc voltage for speed control

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