Automation System
The two major categories of software are: application software and

system software
UNIX software
high-level languages
None of these
CAD software

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Automation System
The use of specialized workstations:

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

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Automation System
Digital signals:

have a frequency measured in units of hertz
are assigned values of 1 or 0 depending on the voltage level
have a sinusoidal shape.
None of these
can have three possible levels

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