Automation System
The difference between CAD and CAM is that CAD software is directed at product design while CAM software is:

None of these
concerned with production and control of tool design
concerned with management programs
specifically for PC-board design
designed for communications

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Automation System
The use of specialized workstations:

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

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