In the short story The Fun They Had by Isaac Asimov, the county inspector is a government official who is responsible for ensuring that the mechanical teachers are functioning properly. He is described as a "round little man with a red face and a whole box of tools with dials and wires." He is also described as being "kind" and "smiling."
The county inspector's visit to the school is a reminder of the government's control over the educational system. The mechanical teachers are not simply educational tools; they are also a way for the government to control what children learn. The county inspector's visit ensures that the mechanical teachers are functioning properly and that they are teaching the correct material.
The county inspector's visit also highlights the lack of freedom in the future world that Asimov describes. The children are not allowed to learn anything that the government does not approve of. This lack of freedom is a major theme in the story, and it is one of the things that makes the story so dystopian.
The county inspector is a minor character in the story, but he plays an important role in highlighting the themes of government control and lack of freedom. He is a reminder that the future world that Asimov describes is not a utopia, but rather a dystopia where the government controls every aspect of people's lives.