Adi studied Professor Hadley's diagram. Not that he really had to. He was familiar with a computer and most of its components. He waited for a few of his classmates to give their answers before he raised his hand.

"The cursor, Professor. It's used to select the item such as an icon, the tool bar or an item on it- basically anything on the monitor.'' The keys on the keyboard can be used for that purpose too but he thought a mouse was much easier to use.