Input devices: 0:35 A common computer input device

0:35 A common computer input device , a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, computer mice, scanners, cameras, joysticks, and microphones. Input devices can be categorized based on: Modality of output (e.g., mechanical motion, audio ... The devices which are used to give input to the computer system are known as input devices . Data is inputted into the computer system in raw format, which is then translated into a computer-understandable form using input devices ; after that, it is processed using a central processing unit, which produces output. An input/output (I/O) device is any hardware that enables a human user or another system to communicate with a computer. As the name suggests, these devices can both receive data (input) from the user or another source and deliver data (output) from the computer.