I know it's probably a pile of lame compared to the sort of stuff most of you guys can probably make, but I'm happy with it, especially for a first C++ project.
I called it 'Get To Know Your Computer'.
You can download the .exe here and the source here.
As you might have guessed, it's Windows only. Sorry about that guys, Linux may be better, but I need my adobe/macromedia suites/3dmax/computer games/everything else