Io or io may refer to:
In modern fiction:
IO in SOSO at the tactical level: converting brigade IO objectives into battalion IO tasks.(Information operations; stability operations and support operations )
Jul 01, 2004; "Focused io--when synchronized with effective information management and intelligence, surveillance and...
IO-Link Evaluation System uses Infineon microcontrollers.(IO-Link Evaluation System: Sensor/ Actor Control via IO-Link Using Infineon Microcontrollers)
Oct 13, 2010; Comprised of sensor (io-Link device) and io-Link master, io-Link demonstration system facilitates...