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Definition

Abbreviation of VDU

VDU is the abbreviation or short form of the Visual Display Unit. It is a hardware unit used to display the visual output of any input given to a computing device. An output device that has a screen attached to it so that the displayable messages can be shown on it is categorized as a VDU.

Formerly, VDU was interchangeably used for “Monitor” but nowadays, there are other Visual Display Units in the market as well. VDUs basically, convert the non-visual input data into fathomable visual output.

VDU can be a peripheral device or it could be one that is integrated into the computer setup. There are VDUs used in everyday life and they are- computer monitors, digital projectors, display screens on smartphones, tablet pcs, smartwatches, iPods etc. 

Through the years, quite a few different types of VDUs had been in the market based on the technology used in them and they are - 

  • Cathode Ray Tube (CRT), 
  • LCD (Liquid Crystal Display) with fluorescent backlight, 
  • LCD with LED (Light-Emitting Diode) backlight, 
  • organic LED, 
  • plasma etc.

In the United States, VDU is often called VDT (Video Display Terminal) though the rest of the world sticks to VDU itself.

 

Use the Term in Sentences:

  • Continuous glare at the VDU reportedly causes severe migraines in many.
  •  Most desk jobs nowadays require staring at the screen on the VDU for an extended period of time which is seen to increase eye and head troubles in young individuals.
Category: Computer Science
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