Book Southwest Airlines tickets from Los Angeles, California (LAX) to the Columbus, Ohio (CMH). Southwest has the best deals and the lowest fares on flights, hotels and car rentals. Skip top navigation
Input device. 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 peripheral (piece of computer hardware 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, mouse, scanners, digital cameras and joysticks.
An Input/output (I/O) device is anything that creates input and/or output on a computer. The display on which you are reading this answer is an output device, whereas the keyboard I use to type this answer on is an input device.