Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

computer graphics workstation
software
NC tape programming
logic
None of these

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Automation System
Stepping motors:

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

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Automation System
A continuous process is:

None of these
used only with analog controllers.
self-contained in that raw materials enter the process and an identifiable products exits the process.
used only for simple tasks
one that never shuts down

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