(of two people or things) influencing or having an effect on each other:
fully sighted children in interactive play with others with defective vision.
(of a computer or other electronic device) allowing a two-way flow of information between it and a user, responding to the user's input:
/ -akˈtivitē/ n.
Describing a system or a mode of working in which there is a response to operator instructions as they are input. The instructions may be presented via an input device such as a keyboard or mouse, and the effect is observable sufficiently rapidly that the operator can work almost continuously. This mode of working is thus sometimes referred to as conversational mode
. An interactive system for multiple users will achieve the effect by time sharing. See also multiaccess system