Operating Your Computer 2-5Using the Internal KeyboardYour keyboard has all the standard functions of a full-sized computerkeyboard plus a Fn key added for specific functions.The standard functions of the keyboard can be further divided into fourmajor categories: Typewriter keys Cursor-control keys Numeric keys Function keysTypewriter KeysTypewriter keys are similar to the keys on a typewriter. Several keys areadded such as the Ctrl, Alt, Esc, and lock keys for special purposes. Whenthe lock keys (Caps Lock, NumLk, and ScrLk) are pressed, theircorresponding indicators light up.The Control (Ctrl) / Alternate (Alt) key is normally used in combinationwith other keys for program-specific functions. The Escape (Esc) key isusually used for stopping a process. Examples are exiting a program andcanceling a command. The function depends on the program you areusing.