| Subject | English | Slovak |
| comp., MS | Microsoft Disk Operating System | operačný systém MS-DOS (A Microsoft computer operating system with a command-line interface that is used to control many internal computer functions, such as running programs and organizing and maintaining files) |
| comp. | mobile operating system | mobilný operačný systém |
| comp. | mobile operating system | operačný systém pre mobilné zariadenia |
| comp. | mobile operating system | mobilná platforma |
| comp., MS | operating system | operačný systém (The software that controls the allocation and usage of hardware resources such as memory, central processing unit (CPU) time, disk space, and peripheral devices. The operating system is the foundation on which programs are built) |
| comp., MS | operating system | operačný systém (The software that controls the allocation and usage of hardware resources such as memory, central processing unit (CPU) time, disk space, and peripheral devices. The operating system is the foundation on which programs are built) |