Whois & Analysis for alt-codes.net

On IBM compatible personal computers, many characters not directly associated with a key can be entered using the Alt Numpad input method or Alt code: pressing and holding the Alt key while typing the number identifying the character with the keyboard's numeric keypad.

Similar or extended forms of this feature are also available in many operating systems, including DOS and Microsoft Windows.

For a list of keyboard shortcuts, see Table of keyboard shortcuts.

or The Alt key (pronounced or) on a computer keyboard is used to change (alternate) the function of other pressed keys.

Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key.

For example, simply pressing "A" will type the letter a, but if you hold down either Alt key while pressing A, the computer will perform an function, which varies from program to program.

The international standard ISO/IEC 9995-2 calls it Alternate key.

The key is located on either side of the Space bar, but in non-US PC keyboard layouts, rather than a second Alt key, there is an 'Alt Gr' key to the right of the space bar.

Both placements are in accordance with ISO/IEC 9995-2.

In computer and machine-based telecommunications terminology, a character is a unit of information that roughly corresponds to a grapheme, grapheme-like unit, or symbol, such as in an alphabet or syllabary in the written form of a natural language.