| Subject | English | Bulgarian |
| comp., MS | byte order mark | знак за реда на байтовете (A Unicode character used to indicate that text is encoded in UTF-8, UTF-16 or UTF-32) |
| comp., MS | double-byte characters | двубайтови знаци (A set of characters in which each character is represented by two bytes. Some languages, such as Japanese, Chinese, and Korean, require double-byte character sets) |
| comp., MS | single-byte character set | набор еднобайтови символи (A character encoding in which each character is represented by 1 byte. Single byte character sets are mathematically limited to 256 characters) |
| comp., MS | trail byte | заден байт (The byte value that is the second half of a double-byte character) |