Automation System
Most current PC CAD systems are used for producing:

solids modeling
finite element analysis
None of these
2-D drawings
circuit simulation

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Automation System
Semiconductor devices:

All of these
have a very short infant mortality period
are less reliable than electro¬mechanical components
None of these
usually have a very short MTBF (mean time between failure)

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Automation System
Numerical control:

is a method for controlling the operation of a machine by means of a set of instructions
is a method for producing an exact number of parts per hour
None of these
applies only to milling machines
All of these

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