| Subject | English | Estonian |
| comp., MS | byte order mark | baidijärjestuse märk (A Unicode character used to indicate that text is encoded in UTF-8, UTF-16 or UTF-32) |
| comp., MS | double-byte characters | kahebaidine märk (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) |
| IT, dat.proc. | eight-bit byte | bait |
| comp., MS | single-byte character set | ühebaidine märgistik (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 | lõpubait (The byte value that is the second half of a double-byte character) |