A system administrator is analysing the software layers of a corporate computer. Which of the following statements correctly distinguish system software from application software?

I. Device drivers are classified as application software because end-users install them to run devices.

II. Linux, macOS, and Android are operating systems and are classified as system software.

III. The OS kernel manages CPU scheduling, memory allocation, and hardware access on behalf of programs.

IV. A web browser and a word processor are examples of system software because they help users perform common tasks.

Identify the CORRECT option.