Automation System
Today, programmable controllers:

are relatively low cost compared with the original digital equipment available for industrial control
None of these
All of these
are more powerful then the first controllers on the market
can be cost effective even when replacing just a few relays

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Automation System
The program counter:

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

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Automation System
Speech recognition:

is already widely used in industrial controls
None of these
All of these
will never be used in industrial controls
will be used in more applications as the technology matures.

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