Decide which words are being defined in these extracts from an ICT dictionary. 1 One of the small units that make up an image on a computer or television screen. pixel cathode ray tube (CRT) 2 Flat-screen technology using noble gases; popular with movie fans. video projector plasma screen 3 The most common computer display technology, made of two glass plates with liquid crystal display (LCD) cathode ray tube (CRT) 4 Card that plugs into a computer to give it display capabilities. video projector video adapter 5 Device used to show images on a wall or large screen. video projector.