Which memory hierarchy level does caching target? a) L1 cache b) L2 cache c) L3 cache d) Main memory

Understand the Problem

The question is asking about the specific level of memory hierarchy that caching is designed to optimize. It provides options that represent different types of caches and main memory.

Answer

L1, L2, and sometimes L3 caches.

Caching primarily targets L1, L2, and sometimes L3 cache levels in the memory hierarchy.

Answer for screen readers

Caching primarily targets L1, L2, and sometimes L3 cache levels in the memory hierarchy.

More Information

Caching is designed to provide faster data access to the CPU by storing frequently accessed data in faster memory regions close to the processor. This hierarchy allows for more efficient data retrieval than accessing slower main memory.

Tips

A common mistake is to think caching only targets a single level, such as L1. In practice, multiple cache levels (L1, L2, and often L3) work together to optimize performance.

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