A Friend argues that a computer is alive based on the idea of response to stimuli from the user. How would you respond to your friend?

The answer is overmatching

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it

You should type -hope this ! : )