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  2. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    The system power consumption is a sum of the power ratings for all of the components of the computer system that draw on the power supply. Some graphics cards (especially multiple cards) and large groups of hard drives can place very heavy demands on the 12 V lines of the PSU, and for these loads, the PSU's 12 V rating is crucial.

  3. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

  4. iTunes - Wikipedia

    en.wikipedia.org/wiki/ITunes

    iTunes is a media player, media library, and mobile device management utility developed by Apple.It is used to purchase, play, download and organize digital multimedia on personal computers running the macOS and Windows operating systems, and can be used to rip songs from CDs as well as playing content from dynamic, smart playlists.

  5. Issues relating to iOS - Wikipedia

    en.wikipedia.org/wiki/Issues_relating_to_iOS

    The iOS mobile operating system developed by Apple has had a wide range of bugs and security issues discovered throughout its lifespan, including security exploits discovered in most versions of the operating system related to the practice of jailbreaking (to remove Apple's software restrictions), bypassing the user's lock screen (known as lock screen bypasses), issues relating to battery ...

  6. App Store (Apple) - Wikipedia

    en.wikipedia.org/wiki/App_Store_(Apple)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Mobile app distribution platform by Apple For the macOS version of the App Store, see Mac App Store. App Store Screenshot of the App Store on iOS Developer(s) Apple Initial release July 10, 2008 ; 16 years ago (July 10, 2008) Operating system iOS, iPadOS, watchOS, tvOS, and VisionOS Type ...

  7. History of iTunes - Wikipedia

    en.wikipedia.org/wiki/History_of_iTunes

    The iTunes media platform was first released by Apple in 2001 as a simple music player for Mac computers.Over time, iTunes developed into a sophisticated multimedia content manager, hardware synchronization manager and e-commerce platform. iTunes was finally discontinued for new Mac computers in 2019, but is still available and supported for Macs running older operating systems and for Windows ...

  8. Bus error - Wikipedia

    en.wikipedia.org/wiki/Bus_error

    Download QR code; Print/export ... problems in the logical address or ... SIGBUS can also be caused by any general device fault that the computer detects, ...

  9. Electrical fault - Wikipedia

    en.wikipedia.org/wiki/Electrical_fault

    In an electric power system, a fault or fault current is any abnormal electric current. For example, a short circuit is a fault in which a live wire touches a neutral or ground wire. An open-circuit fault occurs if a circuit is interrupted by a failure of a current-carrying wire (phase or neutral) or a blown fuse or circuit breaker .