hierarchical diffusion is diffusion from higher class to lower. King to citizens. Movie stars to regular people
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Hierarchical diffusion is a pattern of diffusion where information or ideas spread from higher levels of authority to lower levels, often following established pathways of communication or power. This type of diffusion involves the step-by-step spread of innovation or influence from one group or individual to another in a specific order.
Domain is the highest and most general level in the hierarchical classification scheme.
Hierarchical paging is a memory management technique used in computer systems where the page table is structured in a hierarchical manner to efficiently map virtual addresses to physical addresses. This helps in reducing the space required for page tables and improves memory access times.
The hierarchical data model organizes data in a tree-like structure with a single parent for each child record. On the other hand, the network data model allows for multiple parent-child relationships, creating a more flexible and complex network of interconnected records. In the hierarchical model, relationships are one-to-many, while in the network model, relationships can be many-to-many.
The most specific step in the hierarchical classification system is the species level. Each species is a unique group of organisms that can interbreed to produce fertile offspring.
Hierarchical paging can offer more efficient memory management by organizing the page table in a hierarchical structure, reducing the memory overhead compared to a single-level page table. It allows for better utilization of memory resources by only mapping the necessary page table entries in the page table, which helps in reducing the total number of page table entries needed. Additionally, hierarchical paging can improve the speed of address translation by enabling faster access to the necessary page table entries.