Display Data Channel

The Display Data Channel or DDC is a collection of digital communication protocols between a computer display and a graphics adapter that enables the display to communicate its supported display modes to the adapter and to enable the computer host to adjust monitor parameters, such as brightness and contrast.

The standard was created by the Video Electronics Standards Association (VESA).

Read more about Display Data Channel:  Overview, Physical Link, DDC/CI, E-DDC, Disabling DDC

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