The definition of robots encompasses a broad range of machines, and it is not limited to human-like or animal-like machines with limbs and the ability to bark or speak. In general, a robot is a mechanical or virtual device that can be programmed to perform tasks autonomously or semi-autonomously. These tasks can vary widely, from simple repetitive actions to complex problem-solving and decision-making.
Robots come in various forms and functionalities, and they can be designed for a wide array of applications. Some robots are indeed human-like or animal-like in appearance and behavior, often referred to as humanoid or biomimetic robots. These robots may have limbs, sensors, and actuators that enable them to move and interact with their environment in ways similar to humans or animals. However, humanoid or biomimetic robots represent only a small subset of the broader definition of robots.
The majority of robots are not humanoid or animal-like. They can be industrial robots used in manufacturing and assembly lines, drones used for aerial surveillance or deliveries, autonomous vehicles, medical robots assisting in surgeries, robotic vacuum cleaners, chatbots, and even software bots that perform automated tasks on computers. These robots often do not resemble humans or animals but are still considered robots because they can perform tasks automatically or with minimal human intervention.
In summary, the term "robot" encompasses any machine, mechanical or virtual, that can be programmed to work automatically, regardless of whether it resembles a human, animal, or has a completely different form.