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  2. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Power-on self-test. A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [1] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.

  3. List of built-in macOS apps - Wikipedia

    en.wikipedia.org/wiki/List_of_built-in_macOS_apps

    System Information, formerly System Profiler, is a software utility derived from field service diagnostics produced by Apple's Service Diagnostic Engineering team, at that time located in Apple satellite buildings in Campbell, California, that was bundled with the classic Mac OS since Mac OS 7.6 under the name Apple System Profiler.

  4. AIDA64 - Wikipedia

    en.wikipedia.org/wiki/AIDA64

    Website. www.aida64.com. AIDA64 is a system information, diagnostics, and auditing application developed by FinalWire Ltd (a Hungarian company) that runs on Windows, Android, iOS, ChromeOS, Windows Phone, Sailfish OS, Ubuntu Touch and Tizen operating systems. It displays detailed information on the components of a computer.

  5. Safe mode - Wikipedia

    en.wikipedia.org/wiki/Safe_mode

    Safe mode. Safe mode is a diagnostic mode of a computer operating system (OS). It can also refer to a mode of operation by application software. Safe mode is intended to help fix most, if not all, problems within an operating system. It is also widely used for removing rogue security software.

  6. macOS Big Sur - Wikipedia

    en.wikipedia.org/wiki/MacOS_Big_Sur

    macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple 's operating system for Macintosh computers. It was announced at Apple's Worldwide Developers Conference (WWDC) on June 22, 2020, [4] and was released to the public on November 12, 2020. [5][4][6] Big Sur is the successor to macOS Catalina (macOS 10.15).

  7. macOS Monterey - Wikipedia

    en.wikipedia.org/wiki/MacOS_Monterey

    macOS Monterey (version 12) is the eighteenth major release of macOS, Apple 's desktop operating system for Macintosh computers. The successor to macOS Big Sur, it was announced at WWDC 2021 on June 7, 2021, [3][4][5][6] and released on October 25, 2021. [7][8] macOS Monterey was succeeded by macOS Ventura, which was released on October 24, 2022.

  8. Diagnostic program - Wikipedia

    en.wikipedia.org/wiki/Diagnostic_program

    Diagnostic program. A diagnostic program (also known as a test mode) is an automatic computer program sequence that determines the operational status within the software, hardware, or any combination thereof in a component, a system, or a network of systems. Diagnostic programs ideally provide the user with guidance regarding any issues or ...

  9. DTrace - Wikipedia

    en.wikipedia.org/wiki/DTrace

    DTrace is a comprehensive dynamic tracing framework originally created by Sun Microsystems for troubleshooting kernel and application problems on production systems in real time. Originally developed for Solaris, it has since been released under the free Common Development and Distribution License (CDDL) in OpenSolaris and its descendant ...