information that is put into a computer [≠ output]:
If the input data specified it, the file will close and the process terminates.
2 [uncountable and countable]
ideas, advice, money, or effort that you put into a job or activity in order to help it succeed
Farmers contributed most of the input into the survey.
We'll need input from community nurses.
3 [uncountable and countable] technical
electrical power that is put into a machine for it to use