The word robot comes from the Czech word robota, meaning drudgery. A robot is a mechanical device that operates automatically. Robots can perform a wide variety of tasks.

They are especially suitable for doing jobs too boring, difficult, or dangerous for human beings. Robots efficiently carry out such routine tasks as welding, drilling, and painting automobile body parts. They also produce plastic food containers and wrap ice cream bars. Some industrial robots can even assemble electronic circuits and wristwatches.

The science and technology that deals with robots are called robotics. A typical robot performs a task by following a set of instructions that specifies exactly what must be done to complete the job. These instructions are entered and stored in the robot’s ‘brain’, which consists of a computer or part of a computer.

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