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  2. Depth of discharge - Wikipedia

    en.wikipedia.org/wiki/Depth_of_discharge

    the fraction of the battery's capacity which is currently removed from the battery with regard to its (fully) charged state. For fully charged batteries, the depth of discharge is connected to the state of charge by the simple formula. D o D = 1 − S o C {\displaystyle \mathrm {DoD} =1-\mathrm {SoC} } The depth of discharge then is the ...

  3. Memory effect - Wikipedia

    en.wikipedia.org/wiki/Memory_effect

    Memory effect. Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [1] [2] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly ...

  4. Charge cycle - Wikipedia

    en.wikipedia.org/wiki/Charge_cycle

    A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load. The term is typically used to specify a battery's expected life, as the number of charge cycles affects life more than the mere passage of time. Discharging the battery fully before recharging may be called "deep discharge"; partially ...

  5. State of charge - Wikipedia

    en.wikipedia.org/wiki/State_of_charge

    State of charge. State of charge ( SoC) quantifies the remaining capacity available in a battery at a given time and in relation to a given state of ageing. [1] It is usually expressed as percentage (0% = empty; 100% = full). An alternative form of the same measure is the depth of discharge ( DoD), calculated as 1 − SoC (100% = empty; 0% = full).

  6. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    16:9. 8,294,400. 7680 × 4320. 8K UHDTV. 4320p. 33,177,600. Many of these resolutions are also used for video files that are not broadcast. These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed ...

  7. Dell XPS - Wikipedia

    en.wikipedia.org/wiki/Dell_XPS

    The XPS One 20 and XPS One 24 were subsequently discontinued by Dell. XPS 18. The Dell XPS 18 was announced in April 2013. It is an all-in-one computer that also functions as a large tablet. It has a screen size of 18.4 inches. Dell XPS T600R Dell XPS Gen 4 XPS H series. A system that came out circa 1996/97.

  8. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    When a digital signal spends more time in the on state than the off state, it has a duty cycle of >50%. When a digital signal spends more time in the off state than the on state, it has a duty cycle of <50%. Here is a pictorial that illustrates these three scenarios: History. The Corliss steam engine was patented in 1849. It used pulse-width ...

  9. MacBook Pro - Wikipedia

    en.wikipedia.org/wiki/MacBook_Pro

    MacBook Pro MacBook Pro (16-inch, 2021). This image does not show the notch at the top of the screen. Developer Apple Manufacturer Foxconn Pegatron Product family MacBook Type Laptop Release date January 10, 2006 ; 18 years ago (2006-01-10) Operating system macOS System on a chip Current: Apple M series CPU Intel Core: Duo, 2 Duo, i5, i7, i9 (discontinued, 2006–2021) Memory Up to 128 GB ...

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