Definition of input-output in English:

input-output

(also I/O)

adjective

Electronics
  • [attributive] Relating to or for both input and output.

    • ‘The preliminary hardware suite consists of a microcontroller (with limited input-output capability), a pump, a motor-control subsystem, and a limited user interface.’
    • ‘It required lower voltages: 2.0V for primary and 2.5V for input-output logic.’
    • ‘A slide seen on an Intel roadmap earlier this week has spelled out its plans for input-output processors until the end of next year.’

Pronunciation:

input-output

/ˌinˌpo͝otˈoutˌpo͝ot/