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

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

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Automation System
An encoder:

is used to send telegraph signals
converts an input to a binary number
can have only four keys
converts a binary number to a decimal number.
None of these

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