Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

logic
None of these
computer graphics workstation
NC tape programming
software

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Automation System
An aneroid barometer

None of these
can measure only atmospheric pressure
is very unreliable
can be used to measure gas or liquid flow rates
measures pressure by sensing deflection of an evacuated chambers.

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