What does operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

The complete computer made up of the CPU, memory and related electronics (main cabinet), all the peripheral devices connected to it and its operating system. Computer systems fall into two ...

Software is computer code that tells a computer how to perform a specific task. Software can include operating systems, applications, and malware.

Apple's operating system has cultivated a reputation for being more user-friendly and bestowing a functional charm upon Apple ...

What factors should you consider when deciding when to move on? Cost, security, and the march of time Security makes the most compelling reason to upgrade your operating system right now.

The QNodeOS operating system developed by Delle Donne and colleagues 1 is a theoretical and experimental framework that provides these for networked quantum computers (Fig. 1b).