Automation System
Most data transmission in the future will be:

All of these
carried over metallic telephone lines
digital bit stream encoded data
None of these
analog in nature

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Automation System
Sensors:

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

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Automation System
Speech recognition:

All of these
is already widely used in industrial controls
will be used in more applications as the technology matures.
will never be used in industrial controls
None of these

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