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 ...

It was more convenient than DVI or VGA, and composite wasn’t even ... has a locking tab to stop it vibrating loose. HDMI cables are all meant to be Type-A to Type-A, with adapters used to ...