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  1. Dictionary
    Op·er·at·ing sys·tem
    /ˈäpərātiNG ˌsistəm/

    noun

    • 1. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.

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  2. en.wikipedia.org › wiki › Operating_systemOperating system - Wikipedia

    An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...

  3. www.techtarget.com › whatis › definitionWhat is an Operating System (OS)? Definition, Types and Examples

    An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface ( API ).

    • Stephen J. Bigelow
    • 2 min

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  5. www.britannica.com › technology › operating-systemOperating system (OS) | Definition, Examples, & Concepts

    operating system (OS), program that manages a computer ’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections. Management tasks include scheduling resource use to avoid ...

    • David Hemmendinger

  6. www.merriam-webster.com › dictionary › operating systemOperating system Definition & Meaning - Merriam-Webster

    May 10, 2024 · The meaning of OPERATING SYSTEM is software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions).

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  8. www.howtogeek.com › 361572 › what-is-an-operating-systemWhat is an Operating System? - How-To Geek

    Aug 8, 2018 · An operating system is the core set of software on a device that keeps everything together. Operating systems communicate with the device's hardware. They handle everything from your keyboard and mice to the Wi-Fi radio, storage devices, and display. In other words, an operating system handles input and output devices.

  9. techterms.com › definition › operating_systemOperating System Definition - What is an operating system?

    May 4, 2023 · Operating System: An operating system, or "OS," is software that communicates with the hardware and allows other programs to run. It is comprised of system software , or the fundamental files your computer needs to boot up and function. Every desktop computer, tablet, and smartphone includes an operating system that provides basic ...

  10. www.lifewire.com › operating-systems-2625912Operating System (OS) Definition & Examples - Lifewire

    Jan 24, 2022 · Some examples include versions of Microsoft Windows (like Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP), Apple's macOS (formerly OS X), Chrome OS, and various Unix and Linux distribution lists. (Unix and Linux are open-source operating systems.) Microsoft Windows 10. Your smartphone runs a mobile operating system ...

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