Automation System
What prevents a robotic instrument from running into other objects?

memory
sensory devices
None of these
functional manipulators
negative image

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

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

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Automation System
Relay ladder logic is used in a PC because:

it is the best industrial control language ever developed.
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is impossible to write a control program for a machine in any other logic
None of these
All of these

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