Running an operating system in your web browser is easier than you might think, and there are a few options you can try right now.

Even if you’re a smartphone pro, there could be a lot to learn in the sections below. But if you’re new to the world of smartphones — or just the world of Android — this is the perfect place to get up ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...