| Subject | English | Portuguese |
| comp., MS, Braz. | byte order | ordem de byte (The processor memory architecture in which bytes of data (typically, integer values) are stored. The two most common orders are: little endian (least significant byte is placed first) and big endian (most significant byte is placed first)) |
| comp., MS, Braz. | byte order mark | marca de ordem de byte (A Unicode character used to indicate that text is encoded in UTF-8, UTF-16 or UTF-32) |
| comp., MS | byte order mark | marca de ordem de bytes (A Unicode character used to indicate that text is encoded in UTF-8, UTF-16 or UTF-32) |