WOMAN: Did you know that you and your computer speak different languages? It doesn't speak Spanish or Swedish or Chinese. It speaks in ones and zeros. You can't communicate directly with your computer, but that's where your operating system comes in. The operating system, or OS, is the program that lets you interact with your computer. Together, the operating system and computer hardware form a complete system that determines what your computer can do. 

There are many different operating systems. Two of the most common ones are Microsoft Windows and macOS. Windows comes preloaded on most personal computers, while macOS runs on all new Macs. Operating systems aren't just for desktop and laptop computers. Mobile devices run mobile operating systems, like Apple, iOS, or Google Android, which are designed for interactions with smaller touchscreens. 

Before downloading a new program or application, be aware that it may not be available for your operating system. Some applications work on all devices, while others only work on certain ones. So get to know your operating system to see how it works and what it can do. 

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