| Subject | English | Portuguese |
| comp., MS, Braz. | character code | código de caractere (A numeric value that corresponds to a particular character in a set) |
| IT | code extension character | caráter de extensão de código |
| IT, tech. | code extension character | caráter de alteração de código |
| comp., MS, Braz. | four character code | código de quatro caracteres (A 32-bit unsigned integer that is created by concatenating four ASCII characters to identify a data format) |
| comp., MS | four character code | código de quatro carateres (A 32-bit unsigned integer that is created by concatenating four ASCII characters to identify a data format) |