| Subject | English | Thesaurus |
| abbr., file.ext. | ASCII Block Terminal Services | ABTS |
| abbr., scottish | Block Modernization Upgrade Program | BMUP |
| abbr., astronaut., mil. | Block Modification Upgrade Program | BMUP |
| tradem., abbr. | Centre Block Underground Services | CBUS |
| abbr., file.ext. | Channel Program Block | CPB |
| IT, abbr. | Far End Block Error | FEBE (SONET) |
| abbr., IT | Far End Block Error | FEBE |
| telecom., abbr. | Far End Block Error Count - fast data | FEBE-F |
| telecom., abbr. | Far End Block Error Count - interleaved data | FEBE-I |
| tech., abbr. | GOAL program control block | GPCB |
| abbr., comp. | Interrupt Dispatch Block | IDB (Vosoni) |
| IT, abbr. | Program Communication Block | PCB (IBM) |
| abbr., IT | Program Control Block | PCB |
| comp., abbr. | Program Information Block | PIB |
| IT, abbr. | Program Specification Block | PSB (IBM) |
