Question:

We use computers to help us in performing tasks that we want to do. These tasks add the business processes that are part of our work, communicating with friends and colleagues, and playing games.

a) For a computer system to perform this role satisfactorily, what are the two things that it needs?

We can think of a computer as a tool, just as we see a hammer as a tool.

b) What are the four characteristics of a good tool?