You can run many applications at one time, but only one operating system at one time.

Question

Quizplus · Accepted Answer

This is because an operating system is the software that manages all the hardware and software resources on a computer and provides common services for computer programs, while applications are programs or software designed to perform specific functions. Multiple applications can be run simultaneously on an operating system, but only one operating system can be running at a time.

You Can Run Many Applications at One Time, but Only