He certainly can't send messages as complicated as that, but if I only had one bit to flip, I would be flipping it as much as possible to get someone's attention.
That said, he probably did the correct thing by simply answering their questions. That shows that "someone is home" better than flipping his bit randomly.
That said, he probably did the correct thing by simply answering their questions. That shows that "someone is home" better than flipping his bit randomly.