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 and allows more users
reduces the host computer workload

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Automation System
An encoder:

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

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