What is the significance of cache memory on computer performance|Legit essays

• What is the significance of cache memory on computer performance? 
• Explain how the principle of locality affects caching?
• What does associativity mean in the context of caches?

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Cache memory is a small, fast memory located on or close to the CPU that stores frequently accessed data from main memory. The significance of cache memory on computer performance is that it can greatly improve the speed at which a computer can access data. This is because cache memory has a faster access time than main memory, allowing the CPU to quickly retrieve frequently used data without having to access the slower main memory.

The principle of locality states that a program will tend to access the same data or instructions multiple times in a short period of time. This principle affects caching by making it more efficient to store frequently accessed data in cache memory, rather than in main memory. By storing frequently accessed data in cache, the CPU can quickly retrieve it without having to access main memory, resulting in a significant performance boost.