A keyboard is an input device used to enter characters, numbers, and functions into a computer or electronic system by pressing keys. It acts as a primary text entry interface, allowing users to input letters, numbers, special characters, and commands into software applications

. Key points about keyboards:

• They are modeled after typewriter keyboards and consist of an arrangement of keys that act as mechanical levers or electronic switches

• Keyboards can be connected via cable or wirelessly

• They include keys for letters, numbers, special characters, function keys, and control keys like Shift, Ctrl, and Alt

• Various types exist, including desktop, laptop, flexible, handheld, thumb-sized, and virtual keyboards

• The keyboard sends input data to the computer system, which is then processed and displayed or used accordingly

In summary, a keyboard is an input peripheral device designed for typing and entering data into a computer system.