hoppy70, I think that it's time you did your own research.
This is—what?—maybe the 10th time you've asked us to tell you the answers to one of these quizzes.
I understand that it would be very expensive, to buy one of each gun you need to learn about.
But I also know that there are disassembly-and-function videos available to you, both on free web forums and on DVDs you can buy. All you need do is a little easy searching. And then there are books on the subject, including an excellent matched pair from the NRA, featuring detailed parts breakdowns.
When we do your homework for you, you really learn exactly nothing.
Do your own homework!