Automation System
Sensors:

are easily developed
are not important in automation
will be much smarter and more sophisticated in the future
probably will not improve over the next decade
None of these

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Automation System
Semiconductor devices:

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

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Automation System
A flip-flop:

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

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