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When I run a full screen application at say 800x600 on my 1024x768 CRT monitor, the monitor makes some sort of clicking noise, turns black for a couple of seconds, and then somehow magically changes the resolution to 800x600. Isn't the resolution of a monitor part of the hardware specifications? It can't actually physically modify itself, right?
Do LCDs also behave the same way?
2CRT's are very "special" "lasers" that emit electrons to a phosphorous film that then emits photons (similar in concept on how a fluorescent bulb works). Some physical configuration is needed since the cathode ray tube works according to electromagnetism. LCD's, on the other hand, are pure electronic, and they adjust automatically without any physical phenomena, according to the display signal. – Doktoro Reichard – 2013-09-21T14:17:44.087
CRTs can be adjusted, but LCDs can not. – cybernard – 2013-09-22T00:56:06.327