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

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

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Automation System
Semiconductor devices:

have a very short infant mortality period
All of these
usually have a very short MTBF (mean time between failure)
are less reliable than electro¬mechanical components
None of these

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