THE cache memory is a quick and small and, in layman's terms, it is basically a middleman between the processor and main memory. Caches are used so that you do not have to go all the way back to the main memory if you do not have to. Think about it, this process is not something that is new to us. We used this exact same method in junior high and high school, comparatively lockers are main memory and cache memory is a book bag. Instead of always having to go to a locker after every class a student will get the necessary material needed for a class and place it in their bag so they can quickly get it when the class starts. As you can see cache memory is a very practical and method in memory management. Cache memory, commonly called cache, can
