Automation System
Which of the following symbol modes are used to input of graphics to General CAD system?

None of these
Arc and Circle mode
Dimension and Alphanumeric mode
All of these
Live and Rectangle mode

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Automation System
Today, programmable controllers:

are more powerful then the first controllers on the market
can be cost effective even when replacing just a few relays
are relatively low cost compared with the original digital equipment available for industrial control
All of these
None of these

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Automation System
Speech recognition:

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

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