Automation System
When of the following produces the best quality graphics reproduction?

None of these
Ink jet printers
Plotters
Dot metric printers
Laser printers

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Automation System
A flip-flop:

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

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Automation System
Today, programmable controllers:

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

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