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  2. Sleep mode - Wikipedia

    en.wikipedia.org/wiki/Sleep_mode

    Machine state is held in RAM and, when placed in sleep mode, the computer cuts power to unneeded subsystems and places the RAM into a minimum power state, just sufficient to retain its data. Because of the large power saving, most laptops automatically enter this mode when the computer is running on batteries and the lid is closed.

  3. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/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.

  4. Blinkenlights - Wikipedia

    en.wikipedia.org/wiki/Blinkenlights

    The Connection Machine, a 65 536-processor parallel computer designed in the mid-1980s, was a black cube with one side covered with a grid of red blinkenlights; the sales demo had them evolving Conway's Game of Life patterns. [1] The two CPU load monitors on the front of BeBoxes were also called "blinkenlights". [3]

  5. Power good signal - Wikipedia

    en.wikipedia.org/wiki/Power_good_signal

    The ATX specification requires that the power-good signal ("PWR_OK") go high no sooner than 100 ms after the power rails have stabilized, and remain high for 16 ms after loss of AC power, and fall (to less than 0.4 V) at least 1 ms before the power rails fall out of specification (to 95% of their nominal value).

  6. HP Essential - Wikipedia

    en.wikipedia.org/wiki/HP_Essential

    HP Essential was a trademark used by Hewlett-Packard (later HP Inc.) to denote their entry-level, inexpensive laptops using the Microsoft Windows operating system, produced from 2009 to 2024. Products under the "Essential" moniker include the HP Laptop series [ 1 ] and HP Notebook series, as well as products simply branded as "HP".

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. 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.

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