Automation System
The program counter:

None of these
is where arithmetic is done in a computer.
decides which program to run
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
A solenoid:

can be used only in de circuits
None of these
is widely used in industrial automation
is spring operated
is related to an aneroid

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Automation System
Direct Numerical Control means:

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

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