A keyboard is a vital input device used to interact with computers and other electronic devices. It consists of a set of keys or buttons that allow users to input text, numbers, and commands. Keyboards come in various layouts and designs, catering to different user preferences and needs. In addition to traditional keyboards, there are specialized types such as mechanical keyboards, which are favored by gamers and typists for their tactile feedback and durability. Keyboards can also include additional features like backlighting and programmable keys, enhancing the user experience and functionality.