What are layers in the context of computer architecture?

In the context of computer architecture, layers refer to independent functions in processing that help organize various tasks and responsibilities within the system. This layered approach allows for a modular design, where each layer handles specific functions or services. For example, in a typical software architecture, there might be layers dedicated to presentation, business logic, and data access. Each layer interacts with the others but functions independently, enabling easier maintenance, updates, and scalability.

Using layers promotes separation of concerns, which is a foundational principle in computing. This design not only streamlines development but also improves the robustness of system architecture by ensuring that changes in one layer do not necessarily affect others directly. This is crucial in building complex systems where different components need to work together seamlessly while maintaining their distinct roles.

In contrast, the other options refer to different concepts that do not accurately describe the function of layers in computer architecture. Physical structures supporting networking relate more to infrastructure rather than processing functions. Visual representations of data pertain to how data is displayed, not how it is processed through layers. Database structures for data storage focus on how data is organized rather than the functional segmentation that layers provide in processing tasks.