| Subject | English | Portuguese |
| IT | arithmetical and logical unit | unidade aritmética e lógica |
| comp., MS | logical unit number | número de unidade lógica (A logical reference to a portion of a storage subsystem. For example, in a disk storage subsystem, a LUN can comprise a disk, a section of a disk, a whole disk array, or a section of a disk array in the subsystem) |