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  2. Power-on self-test - Wikipedia

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

    Macs made after 1987 but prior to 1998, upon failing the POST, will immediately halt with a "death chime", which is a sound that varies by model; it can be a simple beep, a car crash sound, the sound of shattering glass, a short musical tone, or more. On the screen, if working, will be the Sad Mac icon, along with two hexadecimal strings, which ...

  3. Constant notifications on your phone, computer are impacting ...

    www.aol.com/lifestyle/constant-notifications...

    But constant notifications create pressure to respond immediately and get things done on demand. Turns out, it’s taking a toll on our mental health. “The delineation between work and leisure ...

  4. Features new to Windows 11 - Wikipedia

    en.wikipedia.org/wiki/Features_new_to_Windows_11

    Windows 11 also adds new high-contrast themes for people with visual impairments. Sounds: Windows 11 introduces a new set of system sounds. The sounds are slightly different depending on whether the theme is set to light or dark mode. In addition, a new Windows startup sound replaces the one used since Windows Vista.

  5. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    BSoDs in the Windows NT family initially used the 80×50 text mode with a 720×400 screen resolution, but changed to use the 640×480 screen resolution starting with Windows 2000 up to 7. Windows 2000 used its built-in kernel mode font, Windows XP, Vista, and 7 use the Lucida Console font, and Windows 8 and Windows Server 2012 used the Segoe UI ...

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  7. Internet background noise - Wikipedia

    en.wikipedia.org/wiki/Internet_background_noise

    Internet background noise has been used to detect significant changes in Internet traffic and connectivity during the 2011 political unrest from IP address blocks that were geolocated to Libya. [5] Backscatter is a term coined by Vern Paxson to describe Internet background noise resulting from a DDoS attack using multiple spoofed addresses. [6]

  8. Power supply unit (computer) - Wikipedia

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

    A further use of the 12 V came with the sound cards, using linear chip audio power amplifiers, sometimes filtered by a 9 V linear regulator on the card to cut the noise of the motors. Since certain i386 variant CPUs use lower operating voltages such as 3.3 or 3.45 V, [ citation needed ] motherboards had linear voltage regulators supplied by the ...

  9. Loader (computing) - Wikipedia

    en.wikipedia.org/wiki/Loader_(computing)

    Loading a program involves either memory-mapping or copying the contents of the executable file containing the program instructions into memory, and then carrying out other required preparatory tasks to prepare the executable for running. Once loading is complete, the operating system starts the program by passing control to the loaded program ...