Automation System
Direct Numerical Control means:

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

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Automation System
Pressure sensors:

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

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Automation System
High-level languages:

cannot be used with automatic systems.
None of these
require knowledge of the computer design
are "procedure-oriented"
are very difficult to use

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