Function keys, or F-keys, are special-purpose keys on a keyboard that allow you to perform certain actions on your computer quickly. These keys comprise the top row of keyboards and are labeled F1 ...

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 ...