| Subject | English | Bulgarian |
| comp., MS | compact disc | компактдиск (An optical storage medium for digital data) |
| comp., MS | Compact Disc File System | файлова система на компактдиск (A 32-bit protected-mode file system that controls access to the contents of CD-ROM drives) |
| comp., MS | compact disc player | плейър за компактдискове (A device that reads the information stored on a compact disc. A compact disc player contains the optical equipment necessary for reading a disc's contents and the electronic circuitry for interpreting the data as it is read) |
| comp., MS | compact disc-recordable | записваем компактдиск (A type of CD-ROM that can be written (only once) on a CD recorder and read on a CD-ROM drive) |
| comp., MS | compact disc-rewritable | презаписваем компактдиск (A type of CD on which files can be copied, erased, and replaced) |