is a monitor input or output
Output devices. Common output [output: the term denoting either an exit or changes which exit a system and which activate/modify a process ] formats are printed paper, sound, video and on-screen documents. They let the computer communicate with the user. Monitor. The most common output device is the monitor or VDU. Modern monitors, where the case isnât more than a few centimetres deep, are usually Liquid Crystal Displays (LCD) or Thin Film Transistors (TFT) monitors. Older monitors, where the case is likely to be around 30 cm deep, are Cathode Ray Tube (CRT) monitors.