HDMI supports video resolutions up to 4k and 1080p (Full HD).You all have seen many ports on your laptop. HDMI is an international standard which is supported by most HD devices, like TV, Blu-ray, etc. The HDMI is an audio/video interface that carries high-definition video signals, multi-channel audio, and control data through a single cable. HDMI stands for High Definition Multimedia Interface. This is helpful for people who want to use their laptop as a computer monitor. In simple and straight words, the sound or video from the pc is sent to an outer gadget, for example, a this tutorial will teach you how to change hdmi output to input on the laptop. This issue is available in remote presentation sharing the port contained on most pcs is an hdmi yield port. It is highly compatible like with adapters, formats, and interfaces. It supports video resolutions hdmi is a single cable for both video and audio purposes. The hdmi is an audio/video interface that carries high-definition video signals, multi-channel audio, and control data through a single cable.