Engineering Homework Help

I’m studying for my Information Technology class and don’t understand how to answer this. Can you help me study?

According to your readings, cloud computing represents one of the most significant paradigms shifts in information technology (IT) history, due to an extension of sharing an application-hosting provider that has been around for many years, and was common in highly regulated vertical industries like banks and health care institutions.  The author’s knowledge from their research continue to assert that, the impetus behind cloud computing lies on the idea that it provides economies of scale by spreading costs across many client organizations and pooling computing resources while matching client computing needs to consumption in a flexible, real-time version.