Ключевые слова: abbreviation, accelerate, acronym, banner, black, blackboard, board, cathode, cathoderay, chalk, computer, computer monitor, conceptual, definition, deflect, display, electrical waveforms, electron beam, electron guns, fluorescent material, hand, information, meaning, memory device, modulates, monitor, oscilloscope, phenomena, phosphorescent screen, radar target, ray, screen, stored data, technology, television, term, tube, vacuum tube, word,