Automation System
A discrete parts process is:

the same as a continuous process except a different controller must be used
(b) and (c)
normally a repetitive series of operations
often encountered in manufacturing
None of these

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

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

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Automation System
The SKETCHPAD system

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

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Automation System
D/A (digital to analog) conversion:

results in a binary code as the final output
has to be sampled at 1/2 the highest input frequency
None of these
must be fed through a filter to reproduce the original signal accurately
both (b) and (c)

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