• An agent is anything that can perceive its environment through sensors and acts upon that environment through effectors.
    A human agent has sensory organs such as eyes, ears, nose, tongue and skin parallel to the sensors, and other organs such as hands, legs, mouth, for effectors.
  • A robotic agent replaces cameras and infrared range finders for the sensors, and various motors and actuators for effectors.
  • A software agent has encoded bit strings as its programs and actions.
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