66. Which one of the following is termed a combination input-output device? A.VDT B.Keyboard C.Printer D.Laser Jet E.None of the above
Option A Solution: VDT (video display terminal, or sometimes visual display terminal) is a term used, especially in ergonomic studies, for the computer display. The display is usually considered to include the screen or projection surface and the device that produces the information on the screen.
