What are the main features of …

Margie and Tommy had mechanical teachers flashing on large black screen on which all the lessons were shown and question were asked.They needn't go to school for getting formal education. According to the story there is no school in2157.The mechanical teacher is placed in rooms of the house and they can get knowledge of various subjects individually from the mechanical teacher.They don't have such classrooms where students sit together.They study from the tale books.So they don't require books and exercise books. The examination system is very different from the earlier times school s.They had a slot in which students had to put their homeworks.They had to write their answers in punch code and the mechanical teacher calculated the marks immediately.They didn't have any classmate like the earlier times students.They learned geography history and arithmetic. They had regular days and hours for school.They had regular days and hours for school.The mechanical teacher was always turn on at the same time every day except Saturday and Sunday because her mother said that little girls learn better when they learned at regular hours.So the system of their education is technologically advanced and not based on printed books.