Automation System
The main activity(ies) of Designer in CAD is/are:

None of these
All of these
Application of creativity, ingenuity, and experience.
Control of the design process in information distribution.
Organisation of design information

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

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

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Automation System
The SKETCHPAD system

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

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