While Lydia's never been terribly technologically inclined, she can still understand the concept for what it is when Root presents it and she looks thoughtful for a moment before she speaks.

"Well, yeah, but the Computer just controls the environment, right? Not the people...? I mean, beyond the laws." Maybe it's because it's been a long day or maybe it's because the general lack of intellectual stimulation in this place is finally taking its toll on her usually sharp mind, but she's not sure she's making the connection that Root seems to expect her to.