What is the full form of HDMI

HDMI: High Definition Multimedia Interface

HDMI stands for High Definition Multimedia Interface. It is the first industry-supported, uncompressed, all-digital audio/video interface, which provide all-digital audio and video via a single cable. HDMI provides an interface between any audio/video source, such as a set-top box, DVD player, or A/V receiver and an audio and/or video monitor, such as a digital television (DTV), over a single cable.

HDMI supports high-definition video, plus multi-channel digital audio on a single cable.

Advantages

It carries both the video and audio signals; you don’t need separate audio cables.
It enables a user to turn his TV into a computer monitor as most recent computers and laptops come with HDMI connection.
It allows you establish many connections using few cables that simplify the connection process and eliminate the clutter of multiple cables.
It supports various audio formats such as standard stereo, multi-channel surround sound etc.
It has the capacity to support high definition video formats (720p, 1080i etc). It can also support enhanced definition formats such as 480p as well as standard definition formats like PAL or NTSC.
By using a significant adapter that provides additional connection choices, it can change the form into DVI.