Input/Output Hardware 3.4 Key Definitions

An interface used to connect peripherals such as digital cameras and external hard drives to a computer. It is no longer commonly used.

A connector used to connect a computer to a wired network.

A connector now available on a wide variety of devices such as computers, monitors, TVs, Blu-Ray players, and more. HDMI is used to transfer high definition signals. It supports both audio and video data.

A short-range wireless communication technology used to connect peripherals such as wireless headphones, speakers, keyboards, mice, smart watches, printers, and game controllers to a computer, including smartphones.

A device, usually external to a computer, that is plugged into a computer's communication port or is connected wirelessly. Common peripherals are keyboards, mice, monitors, speakers, and printers.

A common interface used to connect peripherals, such as mice, keyboards, printers, and digital cameras to a computer.

A camera component that sits between the lens and the sensor, allowing light to enter for a short time.

A display device that allows a user to interact with a computer by touching, tapping, and swiping areas on the screen.

A connector, identified by its blue color and three rows of pins, that is used to connect older monitors to a computer.

A light sensitive surface used to capture the image focused by the lens.