Interactive computing refers to an interaction between a computer and a human mind, in the sense that the user is actively engaged with the computer in a learning or analytical process. The operator is in direct communication with the computer and receives immediate responses to entered data. In batch processing, by contrast, the required data and instructions are prepared in advance and are processed by the computer with little or no participation from the user.

Computer-assisted instruction, where a pupil performs drills supplied by a computer, is a component of interactive computing. Interactive computing, however, involves more than just a rote one-way use of a computer.

Examples of interactive computing include the use of spreadsheets, image manipulation, and pilot training. Both tasks can be interactive "what if" processes. With spreadsheets, a user can utilize the data to pose a new scenario and gain insight into the...