While Microsoft is spending a small fortune promoting its next-generation Windows 8 operating system, it also has another new operating system called Windows RT, which actually powers the company's Surface tablet and a few other devices.
Superficially, the operating systems look and feel the same. But Windows RT is designed for devices running on ARM chips, which are used to power smartphones and tablets and are considered more power-efficient.
Windows RT is more like "Windows Lite" than a full-blown update to the operating system. It's Microsoft's attempt to make a controlled environment similar to Apple'… Read more