Automation System
A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called:

an algorithm
arithmetic logic
a geometric model
None of these
a permutation

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Automation System
Stepping motors:

All of these
can run at varying speeds
can be built to index different amounts by changing the pole configuration
can run both clockwise and counterclockwise
do not require commutators

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Automation System
An operating system:

is useless in most control applications
provides ability for other programmers to understand the software structure
None of these
can help reduce software development time
All of these

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