If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...

The F1-F12 keys at the top of your Mac keyboard can adjust brightness, control music, and launch system views in a single tap. They can also act as traditional function keys (F1 sends 'F1') for apps ...

For almost every PC or Mac user, a keyboard and either a mouse or a trackpad are more than enough to navigate these systems without too many problems. In fact, it might be a bit too easy — people are ...