Automation System
Productivity is defined as:

number of items manufactured per day
output per man-hour of labour
cost per unit
None of these
cost per day

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

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

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