Automation System
Digitizers can be converted from "dumb" to "smart" through the addition of:

keyboard
a microprocessor
a scanner
an electromagnetic coupling
None of these

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

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

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