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

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

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Automation System
An encoder:

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

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