Answer: The main features of the mechanical teachers that Margie and Tommy have are as follows:
The mechanical teachers have big black screens on which lessons are displayed and questions are asked. The students need to put their homework and test papers in a slot that is present in the mechanical teacher. The students write answers in punch code and the mechanical teacher calculates the results right away.
The main features of the schoolrooms that Margie and Tommy have are given below:
In the story, the schools are there in the homes. For instance, Margie’s school was right next to her bedroom. The students do not have classmates. They study subjects like arithmetic, history, geography, etc. The mechanical teacher would turn on at the same time every day except on the weekends.