Chromebook is a line of laptop and tablet computers that run ChromeOS, an operating system developed by Google. Chromebook runs Android, Linux, and Progressive web apps, as well as funct…Chromebook is a line of laptop and tablet computers that run ChromeOS, an operating system developed by Google. Chromebook runs Android, Linux, and Progressive web apps, as well as functioning offline. They are manufactured and offered by various OEMs, and, in addition to the laptop and tablet form factors, they are available as desktops, all-in-ones, and previously as an HDMI stick PC.