Automation System
The computer graphics system called SKETCHPAD was demonstrated at

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

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Automation System
Vision sensors:

will remain very costly
will more closely match the capabilities of the human eye
All of these
None of these
can not improve much in the next decade

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Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

the user must have access to both hardware and software
technical assistance must be provided to the user.
None of these
the system must make provision for new techniques.
there should be a common 3-D part description system.

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Automation System
The SKETCHPAD system

is used for interactive Graphics
None of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these

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