Automation System
A flip-flop:

None of these
is a combinational logic device
is a sequential logic device
remembers what was previously stored in it
(a) and (c)

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Automation System
One of the major benefits of using CAD in tool design is that:

product design represents approximately one-half the engineering costs
tool motions can be checked to see if there is interference between the tool and the object
None of these
it simplifies the trial-and-error method
there is better coordination in the materials-handling area

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Automation System
Vision sensors:

will more closely match the capabilities of the human eye
can not improve much in the next decade
None of these
All of these
will remain very costly

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Automation System
Direct Numerical Control means:

eliminating computers from the manufacturing process
using several computers to control one large machine
complete elimination of a need for a human operator.
using one computer to control several machines
None of these

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