header bg

Question:

For mobile devices like laptops and tablets, which option is a proprietary operating system made by Google?

A Chrome OS
Explaination

Google's Chrome OS is a proprietary operating system. It is mostly used on laptop computers known as Chromebooks. Android is not a proprietary operating system; the OS and its source code are freely available online. There are several Android variants available, some created by Google and others such as Samsung or online communities.