Automation System
Direct Numerical Control means:

using several computers to control one large machine
None of these
using one computer to control several machines
eliminating computers from the manufacturing process
complete elimination of a need for a human operator.

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Automation System
Pressure sensors:

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

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Automation System
Vision sensors:

will more closely match the capabilities of the human eye
will remain very costly
can not improve much in the next decade
None of these
All of these

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