Automation System
Use of modern control technology in automation systems:

None of these
increases yield
improves reliability
All of these
reduces costs

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Automation System
The program counter:

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

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Automation System
A stepping motor;

is a good choice where continuous rotation is needed
can index positional movement.
has a speed proportional to voltage input
None of these
has a commutator

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