Automation System
Today, programmable controllers:

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

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Automation System
A sequence controller:

performs on/off control functions in relation to time.
None of these
is no longer in widespread use
is difficult to program
is a mechanical only controller

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Automation System
The main function(s) of computer in CAD is/are

All of these
None of these
To enhance the analytical and logical power of the designer
To relieve the designer from routine repetitious tasks.
To serve as an extension to the memory of the designer

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