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

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

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Automation System
Pressure sensors:

use the piezoresistive effect in strain gauge sensors
None of these
All of these
use capacitive variations to sense pressure
use an aneroid chamber with a variable resistance output

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