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→Display lag
This is the lag caused by the modern displays/televisions/monitors (due to the nature of the digital technology). [[Wikipedia:Digital_image_processing|<abbr title="Shouldn't be confused with analog image processing.">Digital image processing</abbr>]] (such as upscaling, motion smoothing and edge smoothing etc.) takes time and therefore [https://www.rtings.com/monitor/tests/inputs/input-lag#why-there-s-input-lag adds some degree of input lag as well]. Once the frame has been processed, the final step is the [https://www.rtings.com/monitor/tests/motion/motion-blur-and-response-time pixel response time] for the pixel to display the correct color for the new frame.
Analog [[Display FAQ#CRT TVs|CRT TVs]] and [[Display_FAQ#CRT_monitors|VGA CRT monitors]] have very fast response times but it'''nearly''' zero input lag, but display lag s limited by [https://old.reddit.com/r/crtgaming/comments/qyx4r3/is_this_normal_for_a_crt_monitor_if_not_is_there/ phosphor decay time] due to the nature of the technology. Although (Keep in mind that [[Display FAQ#CRT TVs|HD CRTs]] that do digital image processing such as High-Definition, 100Hz/doubling the scanrate or 480p inputs which use scaling and cause noticable input lag). [[Displays#OLED_Monitors|OLEDs]] have almost no display lag due to their very fast response time and the nature of the technology. They are and also capable of displaying true black levels, which means that they do not require a backlight to produce an image and this allows OLEDs to turn individual pixels on and off much faster than [[Displays#LCD_monitors|LCDs]], which require a backlight to produce an image.
If you're in the market for a monitor or TV and display lag including input lag is a concern; check [[Input_lag#External_Links|these websites]] because some of the modern displays only have negligible amount of input lag and display lag and even some of them are near identical performance compared to Analog CRTs.
