Overview#
Extended characters, generally, are those which are not in the standard ASCII character set, which uses 7-bit characters and thus has values 0 to 127.ASCII Codes 0 to 31 and 127 are non-printing control characters, while codes 32 to 126 match the keys on a US keyboard ("a", "A", etc.).
Using 8 Bits Gives You an Extra 96 Characters#
Since computers store characters in 8-bits, many uses have been found for the extra 128 values, most commonly for European characters such as A with Grave accent (À).And actually, only 96 of the codes are used
- values 128 to 159 are not assigned Graphics, just as 0 to 31 are reserved for non-printing control characters.
More Information#
There might be more information for this subject on one of the following:- [#1] - Extended Characters and MPE
- based on information obtained 2020-12-17