Google has produced two major operating systems.AndroidChrome OS
It is an operating system for mobile phones by Google.!
Virgin Galactic will start operating for the public in 2013
Google Chrome is not an operating system or a OS. It is a browser used for opening and viewing web pages only.
Google Chrome is not an operating system but only a browser. It stores it's data in the directory, it is installed.
Google's full name is: as a company: Google Inc. as a browser: Google Chrome as an operating system: Google Chrome OS