Mark stays near the back of his Operating Systems class. He receives a note in class that is passed to him from the front. He then storms out and answers the professor's question accurately.
Youtube clip of the scene: http://www.youtube.com/watch?v=-3Rt2_9d7Jg
Do these actions funnel into the narrative of his Asperger's and introvert outcast nature as someone who's a total jerk with no social chemistry?