People are fascinated by robots. Science fiction books and movies feed people’s imagination, making them wonder about the possibilities of robots living and (1)______ with them. Is it possible for robots to look like people, work like people, and (2)______ like people? In the future, anything is possible. Already today, there are tens of thousands of robots doing work all over the world.
Robot is the name (3)______ to any machine that can do a certain job automatically. These machines come in any shapes and sizes. It is possible to build a robot in the shape of a person, but most look like machines built for specific purposes. They can controlled by computers. The computers tell the robot what to do and how to do it. People write the (4)______ for computers that control the robots. Robots can sense the environment around them and respond (5)______ it. They can complete several steps in a process and can try other methods if one does not work. Ordinary machines cannot do these things.