On 2018-08-08 20:38, Sniegas wrote: > Tai kas ten šviečia CRT ekrane? Tai iki šiol linko nepaskaitei? Gi, nuo pat pirmų sakinių viską paaiškina: The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beam(s) onto the screen to create the images.