I'm a Mac, but mommy taught me it takes all shapes, sizes and kinds to make the world. And so, I welcome the operating system variety in the marketplace and gawk at all the different models on TV and movie sets. I've already challenged you to guessing which way some of our favorite male characters swing, so now it's time to test your knowledge of the type of machinery our beloved geek girls rock. Have you been paying attention to the tech on TV or looking at your laptop instead? Take my quiz and find out!