For the most part, "yes". But you can install "Advanced Task Killer" if it really concerns you. It's a Market app, so you may need help getting it.
Android doesn't use resources in the same way as Windows does, so it really doesn't matter.
And, BTW, I had a Geniac when I was a kid. Nothing left now but the documentation.
http://www.oldcomputermuseum.com/geniac.html