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I/O, or input/output, is the process of sending and receiving data to and from a computer. This is a computer's tie to the outside world of data, people and physical reality. The following are common examples of I/O.
User InputDevices that collect user input such as a touch screen, keyboard, mouse or button on a machine.DisplayDevices that transmit visual information to users such as a flat screen tv.SoundInput of sound such as a microphone, devices that process sound data such as a sound card and output of sound such as a speaker.Devices that communicate to the senses of users such as a vibration in a game controller.
PrintingTools that print 2d or 3d things to create physical visualizations and work products. StorageStorage of data as files and folders such as a disk or memory card.MemoryDevices that provide high speed data storage such as random access memory (RAM).System DevicesDevices that are provided by hardware that are useful to computing such as a system clock or interrupt controller.Random Number GeneratorA device that returns random numbers or pseudorandom numbers.
Communication related devices such as a network card that allows for input/output over internet protocols.MediaMedia related devices such as a sound synthesizer or video camera.SensorsSensors are a broad category of devices that collect data about the physical world such as a pitot tube on an aircraft that measures fluid flow velocity.|
| Type | | | Definition | The process of sending and receiving data to and from a computer. | | Also Known As | i/o IOinput/output | | Related Concepts | |
Computing Basics
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