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Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set.
The transition to the latter is often called the standard-definition television switch-off. In most territories worldwide, the complete shutdown of the lower-resolution signals has not yet begun or is still in its early stages, notably in the many countries still undergoing the analogue switch-off .
The switch-off was noticed by few, since the overwhelming majority receive TV via cable and only around 74,000 households relied on terrestrial over-the-air broadcasts. [2] The switch-off was helped greatly as cable continued to use analog distribution, and thus consumers' old tuners continued to be useful.
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Televisions that use a combination of an LED backlight with an LCD panel are sometimes advertised as LED TVs, although they are not truly LED displays. [1] [2] Backlit LCDs cannot achieve true blacks for pixels, unlike OLED and microLED displays. This is because even in the "off" state, black pixels still allow some light from the backlight ...
Everything on the screen but the Apple logo turns white. [7] A Yellow Screen of Death occurs when an ASP.NET web app finds a problem and crashes. [8] [self-published source?] A kernel panic is the Unix equivalent of Microsoft's Blue Screen of Death. It is a routine called when the kernel detects irrecoverable errors in runtime correctness; in ...
Switches that turn the power off when the connected device goes into standby, [30] or that turn other outlets on or off when a device is turned on or off are also available. Switches can be activated by sensors. Home automation sensors, switches and controllers can be used to handle more complex sensing and switching. This produces a net saving ...
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