Automation System
The computer graphics system called SKETCHPAD was demonstrated at

Massachusetts Institute of Technology in 1963
University of Aston, Birmingham, 1960
None of these
Imperial college of Science and Technology, London, 1973
Cranfield Institute of Technology, London, 1962

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Automation System
Today, programmable controllers:

None of these
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

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