Could you provide a comprehensive overview of the various types of computer systems and furnish some illustrative instances?

One of the factors that contributes to this phenomenon is the remarkable computational abilities exhibited by contemporary advanced computer systems.Is there any empirical evidence or anecdotal accounts indicating that computers have significantly impacted the educational landscape in classrooms during the past few decades?

Kindly furnish a comprehensive elucidation on the reasons behind the widespread adoption of computers in contemporary educational settings. The aforementioned outcome is an inescapable result stemming from the immense computational power of contemporary computers.

There must be an explanation and demonstration of the many phases of a computer's lifecycle. In-depth explanations and examples of each of the numerous phases of a computer's lifecycle are required.