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 ...

An Operating System remains the soul of any computer. We have seen many over time, but the one that has stood out strongly is Microsoft Windows. Windows occupies around 90 % of the total operating ...

Whether it's a desktop or laptop computer, a smartphone or a video game system, every modern computer needs an operating system. That's the core software on the computer that sits between application ...

Google has separate operating system (OS) versions based on the device type. There's Android for smartphones and ChromeOS for Chromebooks. However, there is one such product category where both the ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

The processor market is heating up once again, with AMD and Intel back to having "core and speed" wars. But if the latest leak is accurate, Intel's next-generation silicon is likely to be out of most ...

Upon booting up, Windows may offer you multiple operating systems from which to choose. This may occur because you previously used multiple operating systems or because of a mistake during an ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...

Apple unveiled macOS Tahoe 26 during the keynote session of the Worldwide Developers Conference (WWDC) 2025. The company is rebranding the next major update of its operating system for its Mac devices ...