What is cache memory

What do you mean by the term Cache memory?

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Cache is defined as a high-speed access area which can be either a reserved section of main memory or the storage device. The two chief cache types are memory cache and the disk cache. Memory cache is defined as a portion on the memory of high-speed static RAM (SRAM) and is effective since most of the programs access same data or the instructions over-and-over. By placing as much of this information as possible in SRAM, the computer prevents accessing the slower DRAM. Today, most computers come with the L3 cache or the L2 cache; however the older computers involved only L1 cache.

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