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  2. Page fault - Wikipedia

    en.wikipedia.org/wiki/Page_fault

    In computing, a page fault (sometimes called PF or hard fault) [a] is an exception that the memory management unit (MMU) raises when a process accesses a memory page without proper preparations. Accessing the page requires a mapping to be added to the process's virtual address space. Besides, the actual page contents may need to be loaded from ...

  3. Kernel (operating system) - Wikipedia

    en.wikipedia.org/wiki/Kernel_(operating_system)

    The kernel is a computer program at the core of a computer's operating system and generally has complete control over everything in the system. The kernel is also responsible for preventing and mitigating conflicts between different processes. [1] It is the portion of the operating system code that is always resident in memory [2] and ...

  4. Comparison of operating system kernels - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_operating...

    The major contemporary general-purpose kernels are shown in comparison. Only an overview of the technical features is detailed. section below). Linux (kernel), Android, Ubuntu, CentOS, webOS, Fire OS, Firefox OS, ChromeOS, Syllable Server, Mastodon Linux, OpenBSD/Linux, Plan 9/Linux, Sailfish OS, Tizen, amongst others.

  5. VistA - Wikipedia

    en.wikipedia.org/wiki/VistA

    VISTA's Architecture is an "Onion" with concentric layers of functions. At its core is a single shared database that all applications use. The Veterans Health Information Systems and Technology Architecture (VISTA) is the system of record for the clinical, administrative and financial operations of the Veterans Health Administration VISTA consists of over 180 clinical, financial, and ...

  6. Technical features new to Windows Vista - Wikipedia

    en.wikipedia.org/wiki/Technical_features_new_to...

    Windows Vista features a completely re-written audio stack designed to provide low-latency 32-bit floating point audio, higher-quality digital signal processing, bit-for-bit sample level accuracy, up to 144 dB of dynamic range and new audio APIs created by a team including Steve Ball and Larry Osterman.

  7. Kernel Patch Protection - Wikipedia

    en.wikipedia.org/wiki/Kernel_Patch_Protection

    The kernel connects the application software to the hardware of a computer. Kernel Patch Protection ( KPP ), informally known as PatchGuard, is a feature of 64-bit ( x64) editions of Microsoft Windows that prevents patching the kernel. It was first introduced in 2005 with the x64 editions of Windows XP and Windows Server 2003 Service Pack 1. [1]

  8. Windows System Assessment Tool - Wikipedia

    en.wikipedia.org/wiki/Windows_System_Assessment_Tool

    The Windows System Assessment Tool ( WinSAT) is a module of Microsoft Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, and Windows 11 that is available in the Control Panel under Performance Information and Tools (except in Windows 8, Windows 8.1, Windows 10, and Windows 11 ). It measures various performance characteristics and ...

  9. VA Kernel - Wikipedia

    en.wikipedia.org/wiki/VA_Kernel

    VA Kernel. The VA Kernel is a set of programs, developed by the Department of Veterans Affairs of the United States Government, which provide an operating system and MUMPS implementation independent abstraction to the VistA Hospital Information System. These programs (called 'routines' in MUMPS) are the only programs which are expected to not ...