›ITrelating to the process of receiving and sending information to and from a computer or the pieces of equipment involved in the process: Some input/output controllers also offer Ethernet connectivity without the need for a USB port adapter.an input/output device/port/interface
›(alsoinput-output)ECONOMICSrelating to a way of studying an economy that considers how changes in production in one industry influence other industries: an input-output analysis/model