ASCIIextended
ASCIIextended is a term used in computing to describe the family of 8-bit encodings that extend the 7-bit ASCII character set. Since ASCII defines only 128 characters, many systems added an 8th bit to encode an additional 128 characters, creating a variety of “extended ASCII” schemes. There is no single standard called ASCIIextended; instead, numerous code pages and character sets emerged, each mapping the upper 128 values differently.
Common examples include the ISO/IEC 8859 family (such as Latin-1, Latin-2, and their successors), Windows-1252, and
Modern software generally prefers Unicode, which unifies characters from virtually all writing systems. Unicode encodings such