Apple’s tvOS is the best smart TV operating system, while Hisense's VIDAA is the worst. Here’s how the other TV operating systems compare to these two.

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 ...

Everything you do on your computer is the direct result of hardware and software working together. The hardware provides the raw power and functionality that enables the computer to work, and the ...