The term used to describe that a human is involved in the overall action but is removed from the control loop is called human ____.

• A. in the loop
• B. out of the loop
• C. in control loop
• D. on the loop

Answer: (D)

In automated systems, humans can be in the loop, on the loop, or out of the loop. When a person is involved in the overall action but not actively controlling the system, they are on the loop. This means the automation handles the actual control, while the human supervises, monitors telemetry, and can intervene if needed. For example, a drone with an autopilot navigating tasks while a pilot watchfully monitors and can take over if something goes awry demonstrates this supervisory role. The key idea is that the human is connected to the outcomes and can intervene, but the control decisions aren’t being made by the human in real time.