In ASCII, each character (letter, number, symbol or control character) is represented by a binary value. Extended ASCII is a version that supports representation of 256 different characters.

The simplest communications protocol for text. The ASCII protocol transmits only ASCII characters and uses ASCII control codes. It also implies little or no error ...

32 control codes (mainly to do with printing ... all the way up to ‘Z’, which is the 26th letter. In ASCII, each character has its own assigned number. For example: ...