Automation System
Which of the following may be classified as an automation system?

numerically controlled machine tools
All of these
automated warehouses
None of these
robotics

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Automation System
The program counter:

decides which program to run
is where arithmetic is done in a computer.
None of these
counts the number of instructions that have been executed
contains the address of the next instruction to be executed

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Automation System
An aneroid barometer

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

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