Automation System
What two disciplines are usually tied by a common data base?

Drafting and documentation
Documentation and geometric modeling
None of these
Testing and analysis
Computer-aided design and computer-aided manufacturing

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Automation System
An encoder:

converts an input to a binary number
None of these
converts a binary number to a decimal number.
is used to send telegraph signals
can have only four keys

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Automation System
Today, programmable controllers:

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

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