| Subject | English | Portuguese |
| IT | basic control system satellite | satélite com sistema de controlo de base |
| transp., avia. | basic flight control and display system | controlo básico de voo e sistema de indicação |
| tech. | basic hole system | sistema de ajuste de ferro-base |
| comp., MS, Braz. | basic input/output system | sistema BIOS (The set of essential software routines that test computer hardware at startup, start the operating system, and support the transfer of information between hardware devices. The BIOS is stored in read-only memory (ROM) so that it can be run when the computer is turned on. Although critical to performance, the BIOS is usually invisible to computer users) |
| comp., MS | basic input/output system The set of essential software routines that test computer hardware at startup, start the operating system, and support the transfer of information between hardware devices. The BIOS is stored in read-only memory (ROM) so that it can be run when the computer is turned on. Although critical to performance, the BIOS is usually invisible to computer users | BIOS (basic input/output system) |
| tech. | basic shaft system | sistema de ajuste de veio-base |
| commun. | basic system model | modelo básico de um sistema |
| commun., IT | basic system module | módulo de base do sistema |
| el. | basic uni-directional system | sistema básico unidirecional |
| commun., IT | network basic input/output system | sistema de entrada e saída da rede |
| comp., MS | network basic input/output system An application programming interface (API) that can be used by programs on a local area network (LAN). NetBIOS provides programs with a uniform set of commands for requesting the lower-level services required to manage names, conduct sessions, and send datagrams between nodes on a network | NetBIOS (Network Basic Input/Output System) |
| IT, mech.eng. | system basic origin | origem de máquina |
| IT, mech.eng. | system basic origin | origem do sistema |