Display Data Channel
COMMUNICATION PROTOCOLS
VESA Display Data Channel; Display data channel; VESA DDC; DDC/CI; Direct Data Channel; DDC2; E-DDC; Ddccontrol; DDCcontrol; DDC2B
The Display Data Channel, or DDC, is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.