Robot is one of the wonders of modern technology. A robot is a tool controlled by a computer -capable of carrying out different actions.
In 1979, Robot Institute of America gave a definition about robot-“A robot is defined as a re-programmable, multi-functional manipulator designed to move material, parts, tools, or specialized devices through variously programmed motions for the performance of a variety of tasks”. A robot can be run by an external control device or an Internal control device.

The word “robot” comes from a Czech word, ” robota” meaning lobour, servant or slave. It was first used by a Czech writer karel Capek.
He used the word in his science frictional work” Rossun’s Universal Robots”.But his brother Josef Capek is considered as the true inventor of the word ” robot”.

Appearances of Robots:

we have many questions about robots. How does a robot look like? Is a robot like a human being? Actually the appearances of robots depend on their actions. The robots which are used in industrial activities they are different from human being. The robots which are made in the appearances of human kind It is called humanoid.

How do robots work?

A robot is controlled by the computer programmed. A Industrial robot has two subsystems that function together- a mechanical System and a computer system.

Elements of Robots :

A robot has many elements given below –

  • Processor
  • Power system
  • Actuator
  • Sensing
  • Manipulation
  • Movable body etc.

Features of robots :

1. A robot can do fixed works very swiftly and accurately.
2. A robot can work whole the day without incessant.
3. A robot can work in any case whether it is risky or unhealthy.
4. A robot can never feel annoyance and never can hate its work.
Finally, it can be said that robots are very useful for the people.
It has made our works easy.