Automation System
Programming languages currently available for robots:

may allow primitive motion
require training
may be point-to-point languages
All of these
None of these

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Automation System
Programmable controllers:

are programmed using relay ladder logic
are widely used in many different industries
(a) and (c) above
cannot perform functions other than relay logic
None of these

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Automation System
Stepping motors:

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

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