For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI in, a DVI-to-HDMI adapter cable is used to connect the video. The audio must be cabled separately as DVI ...

How to choose the right connection ... PC monitors TVs and projectors (very rare) DisplayPort is compatible with select devices that have other types of connections, such as VGA, DVI, and HDMI ...