[ in-poo t-out-poo t ]
/ ˈɪnˌpʊtˈaʊtˌpʊt /


the process of input or output, encompassing the devices, techniques, media, and data used: A good first step in designing a program is to define the input/output.


pertaining to input or output: Early input/output devices were slow. Abbreviation: I/O

Origin of input/output

First recorded in 1910–15 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for input/output

British Dictionary definitions for input/output


noun computing

the data or information that is passed into or out of a computerAbbreviation: I/O
(modifier) concerned with or relating to such passage of data or information
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012