I don't know specifics (SOooo not a Mac expert) but I used them for an English class a few years ago. It would make a sound when I scrolled to the bottom of a page, or minimized/maximized, etc.
I'm sure there's a setting to turn it off.
Sorry I can't be more help, but at least your computer probably isn't trying to kill you or anything... don't watch the movie Pulse though
