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  2. Display resolution standards - Wikipedia

    en.wikipedia.org/wiki/Display_resolution_standards

    QWXGA [113] (for Quad-WXGA or Quad Wide Extended Graphics Array) is a display resolution of 2048 × 1152 pixels with a 16:9 aspect ratio. If taken as a starting point that WXGA has a display resolution of 1366 × 768 [ 104 ] or 1280 × 800 [ 103 ] a display with a size 4-times of WXGA should have 2732 × 1536 or 2560 × 1600 pixels, but the ...

  3. 1440p - Wikipedia

    en.wikipedia.org/wiki/1440p

    In relation to smartphones, 1440p displays are sometimes marketed as "Quad HD", as it is four times the resolution of 720p high definition. The Vivo Xplay 3S, released December 2013, was the first smartphone to use a 1440p display; by 2015, 1440p had seen wider adoption by high-end flagship smartphones from major companies.

  4. Patau syndrome - Wikipedia

    en.wikipedia.org/wiki/Patau_syndrome

    While many of the physical findings are similar to Edwards syndrome, there are a few unique traits, such as polydactyly. However, unlike Edwards syndrome and Down syndrome, the quad screen does not provide a reliable means of screening for this disorder. This is due to the variability of the results seen in fetuses with Patau. [6]

  5. Elevated alpha-fetoprotein - Wikipedia

    en.wikipedia.org/wiki/Elevated_alpha-fetoprotein

    Typically, MSAFP is measured in the beginning of the second trimester (14–16 weeks). It may be measured alone or as part of a package of routine prenatal screening tests, such as a triple test or quad test. Because MSAFP test results must be interpreted according to the gestational age, they often are reported in terms of multiple of the ...

  6. Comparison of high-definition smartphone displays - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_high...

    The following is a comparison of high-definition smartphone displays, containing information about their specific screen technology, resolution, size and pixel density.It is divided into three categories, containing smartphones with 720p, 1080p and 1440p displays.

  7. Prenatal testing - Wikipedia

    en.wikipedia.org/wiki/Prenatal_testing

    Other screening tests, such as the Quad test, can also have false positives and false negatives. Even when the Quad results are positive (or, to be more precise, when the Quad test yields a score that shows at least a 1 in 270 risk of abnormality), usually the pregnancy is normal, but additional diagnostic tests are offered.

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  9. Display resolution - Wikipedia

    en.wikipedia.org/wiki/Display_resolution

    1080p progressive scan HDTV, which uses a 16:9 ratio. Some commentators also use display resolution to indicate a range of input formats that the display's input electronics will accept and often include formats greater than the screen's native grid size even though they have to be down-scaled to match the screen's parameters (e.g. accepting a 1920 × 1080 input on a display with a native 1366 ...