A opraters as a stand alone device and is shared by multiple users

What is the digital revolution and how did it change society? what are the benefits of digital media?

Why would a business likely use a java applet - to back up their data files for the business - to create a program that a customer can launch in their web browser - to create music on a powerpoint presentation - to organize files on their company directory

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables