Keyboards are an integral part of the computer and are the most used device while working. There are numerous brands like Lenovo, HP, Sony, Acer, Dell, Toshiba, and much more that develop, manufacture, and sell different kinds of keyboards. The keyboards are wired and wireless, and you can choose them according to your needs. The wired keyboards are connected to the computer via USB ports that power them. The wireless keyboards need batteries to work, and a receiver is connected to the USB port for connectivity.