When it comes down to it, how precisely does the idea of ubiquitous computing function when it's put into practise?

It's as a result of recent advancements in computing power. How can it be shown that during the last several decades, computers have had an ever- greater impact on the educational system?

This is the situation that has arisen as a direct consequence of the growing capacity of contemporary computers. How exactly can it be shown that computers have become such an important part of the educational system over the course of the last several decades?

How exactly does the concept of pervasive computing work when it comes down to it?