Explanation:

- Option 1: Real-world tasks

- Application software is primarily designed to help users accomplish real-world tasks.

- These tasks can range from word processing to graphic design and project management.

- Correct Answer

- Option 2: Operating system tasks

- Operating systems handle tasks like memory management and task scheduling.

- Application software doesn't typically manage these tasks.

- Option 3: Computer-centric tasks

- Computer-centric tasks relate to system performance or hardware management.

- These are usually handled by utility or system software.

- Option 4: All of the above

- As explained, application software doesn't address operating system or computer-centric tasks.