+**Input Output** (I/O) describes the communication between an [information processing system](/wiki/system) and the external world. It facilitates the flow of [data](/wiki/data) into and out of a computer or peripheral, serving as the bridge between digital logic and physical interaction.
+## See also
+- [Data](/wiki/data)
+- [Interface](/wiki/interface)
+- [Device](/wiki/device)
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