An Operating System (OS) is system software that manages computer hardware, software, and resources, serving as an interface between the user and hardware. Examples include Windows, macOS, and Linux. It handles tasks like process management, memory allocation, and device communication.
An Application is software designed for specific tasks or user needs, running on top of the OS. Examples include web browsers, word processors, and games. Applications rely on the OS for resource access and management.
In summary, the OS provides the foundation for system operation, while applications enable users to perform specific functions using that foundation.