3 - a. it’s the round thing with a picture on one side
5 - b. Have you done that?
8 - c. That’s it!
2 - d. The first thing you’ve got to do is install it on your computer
4 - e. it’s used for playing CDs on your computer
6 - f. Make sure it’s the right way up
7 - g. You don’t need to do anything else yet.
1 - h. It’s a kind of telephone exchange that links you to the Internet.