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  2. Screen time - Wikipedia

    en.wikipedia.org/wiki/Screen_time

    Screen time is the amount of time spent using an electronic device with a display screen such as a smartphone, computer, television, video game console, or tablet. [1] The concept is under significant research with related concepts in digital media use and mental health .

  3. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    It is recommended to use a dark user interface while working at night on the computer. [8] Several browser and OS settings or add-ons exist to darken the user interface. A 2017 randomized controlled trial evaluated macular carotenoid supplements (lutein, zeaxanthin, and mesozeaxanthin) in people with high screen time usage. The supplement group ...

  4. Computer-induced medical problems - Wikipedia

    en.wikipedia.org/wiki/Computer-induced_medical...

    More screen-time has been linked with shorter sleep duration, decreased sleep efficiency, and longer sleep onset delay. [11] When using any screen before bedtime, the blue light emitted disrupts the body's natural melatonin hormone production. [12] Melatonin is produced by the brain's pineal gland and controls the body's internal clock. [13]

  5. Cutting Back on Screen Time Can Improve Your Physical ... - AOL

    www.aol.com/lifestyle/cutting-back-screen-time...

    Go to Settings > Screen Time > App Limits > Add Limit . Tick the bubbles for each app, category, and website for which you’d like to set a limit. Tap Next in the upper right-hand corner.

  6. List of common display resolutions - Wikipedia

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

    Computer and handheld screens Designation Usage W (px) H Aspect ratio Total pixels Storage Display Pixel 0.26K1 Microvision: 16: ×: 16 1∶1: 1∶1: 1∶1: 256

  7. How do I take a screenshot? - AOL Help

    help.aol.com/articles/how-do-i-take-a-screenshot

    Most operating systems have a built in feature that allows you to take a picture of what is on your screen. If you're asked to provide a screenshot when contacting AOL about an issue, you can use these steps for the most common operating systems. If you're using a different device, contact the manufacturer of the device for specific steps.

  8. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    Many computer systems measure time and date using Unix time, an international standard for digital timekeeping. Unix time is defined as the number of seconds elapsed since 00:00:00 UTC on 1 January 1970 (an arbitrarily chosen time based on the creation of the first Unix system), which has been dubbed the Unix epoch. [6]

  9. History of display technology - Wikipedia

    en.wikipedia.org/wiki/History_of_display_technology

    CRTs were the single most popular display technology used in television sets and computer monitors for over half a century; it was not until the 2000s that LCDs began to gradually replace them. A derivative of CRTs were storage tubes , which had the ability to retain information displayed on them, unlike standard CRTs which need to be refreshed ...