| Subject | English | Portuguese |
| comp., MS, Braz. | boot record | registro de inicialização (The section of a disk that contains the operating system) |
| comp., MS | boot record | registo de arranque (The section of a disk that contains the operating system) |
| comp., MS, Braz. | master boot record | registro mestre de inicialização, MBR (The first sector on a hard disk, which begins the process of starting the computer. The MBR contains the partition table for the disk and a small amount of executable code called the master boot code) |
| comp., MS | master boot record | registo de arranque principal (The first sector on a hard disk, which begins the process of starting the computer. The MBR contains the partition table for the disk and a small amount of executable code called the master boot code) |