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

must be fed through a filter to reproduce the original signal accurately
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

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Automation System
The main function(s) of computer in CAD is/are

None of these
To relieve the designer from routine repetitious tasks.
To enhance the analytical and logical power of the designer
All of these
To serve as an extension to the memory of the designer

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