To be honest, until recently I did not know about the ability of unregistered users to ask questions.
How do they accept answers?
If they are not registered logic says they can't accept answers, they can't comment in case of a missing detail in their question. Same goes for upvoting an answer they like.
Correct, or does the browser hold a cookie or something to identify the user later?
I am asking this because many of the new users are not familiar with SE style, so they tend to treat it as a normal forum and they always miss information which requires editing the question or answering comments.
Am I missing something here?