What does 64-bit operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

This entry contains the definition to the term Disk Operating System.

The Android operating system is a mobile operating system developed by Google primarily for touchscreen devices, such as cell phones and tablets.

North Korea's homegrown computer operating system mirrors its political one, according to two German researchers who have delved into the code: a go-it-alone approach, a high degree of paranoia ...