Computer Operating System


Definition - What does Operating System (OS) mean?


An operating system (OS), in its most general sense, is software that allows a user to run other applications on a computing device. While it is possible for a software application to interface directly with hardware, the vast majority of applications are written for an OS, which allows them to take advantage of common libraries and not worry about specific hardware details.
Different Operating System
The operating system manages a computer's hardware resources, including:
  • Input devices such as a keyboard and mouse.
  • Output devices such as display monitors, printers and scanners.
  • Network devices such as modems, routers and network connections.
  • Storage devices such as internal and external drives.
The OS also provides services to facilitate the efficient execution and management of, and memory allocations for, any additional installed software application programs.

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