http://www.businessinsider.com/chart-of-the-day-microsoft-op...
http://www.businessinsider.com/chart-of-the-day-in-case-you-...
Still, even if you ONLY look at Apple's software revenues, I suspect that Apple would turn out to be more diversified than Google. :)
http://www.businessinsider.com/chart-of-the-day-microsoft-op...
http://www.businessinsider.com/chart-of-the-day-in-case-you-...