Final answer:
A servo conveyor configured for robot control serves as an Output device because it executes the robot's commands to move items.
Step-by-step explanation:
When a servo conveyor is configured to be controlled by a robot, it functions as an Output device. This is because the conveyor serves as a mechanism that the robot manipulates to achieve a desired action, moving items from one point to another. Output devices in robotic systems are the physical components that perform actions based on the commands given by the robot's control system. While inputs would refer to devices that send data to the robot, such as sensors, and a feedback loop involves both sensors and actions to adjust performance, the function of the servo conveyor in this scenario is to carry out the commands - thus, it is an output.