Cache Memory

                                   Cache memory

Cache memory also called a CPU memory .Cache memory is special and very high speed memory . It is used to speedup and synchronizing with high speed CP U .Cache memory is used to reduce the average time to access data from main memory .The  cache memory is located very close to the CPU. So instructions and data can be read from it (and written to it) much more quickly than is the case with normal RAM.



The cache memory is a smaller and faster memory which store copies of the data from frequently used main memory location .There are three different categories of cache memory they are L1, L2,L3 .



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