| Subject | English | French |
| comp., MS | logical device | unité logique (A volume that you create within an extended partition on a basic master boot record (MBR) disk. Logical drives are similar to primary partitions, except that you are limited to four primary partitions per disk, whereas you can create an unlimited number of logical drives per disk. A logical drive can be formatted and assigned a drive letter) |
| comp. | logical device number | nombre logique d'unité |
| automat. | system logical device | unité logique adaptée sur le système |