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A NASA K10 black rover at Haughton Crater

A robot is a machine that can move and do certain tasks and work

Robots are controlled by a computer program or electronic circuitry. They may be directly controlled by humans. They may be designed to look like humans, in which case their behaviour may suggest intelligence or thought but they do not have feelings. Most robots do a specific job, and they do not always look like humans. They can come in many forms.