Automation System
The "end-effector" of a robot:

can be an actual tool
All of these
is the robot "hand"
may have a gripping action
None of these

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Automation System
An operating system:

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

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Automation System
A sequence controller:

is a mechanical only controller
is difficult to program
None of these
performs on/off control functions in relation to time.
is no longer in widespread use

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