What is a memory hierarchy?

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What is a memory hierarchy?

A memory hierarchy refers to the organization and arrangement of different types of memory in a computer system. It consists of multiple levels of memory, each with varying characteristics in terms of speed, capacity, and cost. The memory hierarchy is designed to optimize the performance and efficiency of the system by placing frequently accessed data in faster and more expensive memory levels, while less frequently accessed data is stored in slower and cheaper memory levels. This allows for faster access to frequently used data and reduces the overall memory access time, improving the system's performance.