visual display unit 
noun British
A device for displaying input signals as characters on a screen.However, in recent years computer scientists have been developing a range of animated agent faces, programs that generate images of human-like faces on the computer's visual display unit....
- On the visual display unit in Defence Control Area, the demon was seen to dive out of the smoke and roll across the ground, sliding slightly to a stop as the second explosion occurred.
- The gunner's station is equipped with gunner's main sight, three periscopes and a visual display unit.