An operating system that is designed to work in a computer that processes 64 bits at a time. Most personal computers today are 64-bit, and mobile devices are expected to begin using 64-bit CPUs in ...

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

Buried deep inside your computer's Intel chip is the MINIX operating system and a software stack, which includes networking and a web server. It's slow, hard to get at, and insecure as insecure ...

The hardware provides the raw power and functionality that enables the computer to work, and the operating system controls the bulk of the hardware's activity.

New York Times writer Joe Nocera argues that the Windows operating system doesn't matter any more, because webapps are rendering all operating syste ...

In just about every computer science textbook, a computer consists of just three blocks: the hardware, the operating system, and then all the (user-land) software that runs on the OS. In actual ...

It’s been 35 years since the launch of the most important operating system you’ve never heard of -- and it was made by Steve Jobs himself.