The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...

Presently, there are three major ports that rule the consumer audiovisual world. These ports are HDMI, DisplayPort, and USB-C. Each of these A/V ports has strengths and weaknesses -- here's what ...