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Stanford Extended ASCII (SEASCII) è codice per la codifica di caratteri creato negli anni 1970 presso l'Università di Stanford. In seguito è stata realizzata dal Massachusetts Institute of Technology una variante compatibile con ASCII, denominata Stanford/ITS character set.
Punched tape with the word "Wikipedia" encoded in ASCII. Presence and absence of a hole represents 1 and 0, respectively; for example, "W" is encoded as "1010111". Character encoding is the process of assigning numbers to graphical characters , especially the written characters of human language , allowing them to be stored , transmitted , and transformed using digital computers . [1]
Extended ASCII, also known as "high ASCII" or "8-bit ASCII," is a collection of character sets that build upon the original 7-bit ASCII by using the full capacity of an 8-bit byte, allowing for 256 unique characters instead of just 128. The additional 128 characters (with decimal values ranging from 128 to 255) include various accented letters ...
The introduction of extended ASCII, also known as 8-bit version, which added additional characters to the original ASCII character set, was introduced by IBM in 1981 for use in its first PC. Extended ASCII was introduced to provide a way to represent special characters, symbols, and foreign language characters that were not included in the original ASCII character set.
1 Control-C has typically been used as a "break" or "interrupt" key. 2 Control-D has been used to signal "end of file" for text typed in at the terminal on Unix / Linux systems. Windows, DOS, and older minicomputers used Control-Z for this purpose. 3 Control-G is an artifact of the days when teletypes were in use.
De Wikipedia, la enciclopedia encyclopedia. Se denomina ASCII extendido a cualquier juego de caracteres de 8 bits, en el cual los códigos 32 a 126 (0x20 a 0x7E) coinciden con los caracteres imprimibles de ASCII, así como los caracteres comúnmente llamados "de espacio", estos son los códigos de control de 8 a 13 (0x08 a 0x0D), ambos inclusive.
