Cooper sees his mother come through the door after work. he squeals, "mama! " information-processing theorists would call this an example of

They would call this an example of an output
According to information processing theorist, output is the final result that derived after the input already fully processed.
In this particular case, The sight of his mother acted as input and the squeal that the children made is the outout that resulted from the input.

Ibelieve appendix i maybe wrong