Automation System
Timing using a TM990 micro-computer:

require an external timer added by the user
is available on the standard CPU board
can be handled in software
both (b) and (c)
None of these

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Automation System
A dc servo motor:

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

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Automation System
The use of specialized workstations:

reduces the host computer workload
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

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