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

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

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Automation System
Vision sensors:

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

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Automation System
The SKETCHPAD system

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.
is used for interactive Graphics
All of these

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