Automation System
Robots consist of three basic components; power supply, control (memory) console, and:

None of these
microcomputer
coaxial cable
mechanical unit (arm)
software

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Automation System
An operating system:

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

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Automation System
A dc servo motor:

None of these
All of these
can provide precise position control
uses a tachometer for speed feedback
uses a variable dc voltage for speed control

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