Sample Essay

These local memory spaces are called registers which are found in sizes of 8, 16, 32 or 64 bits. Cache memory or buffer memory is another small memory local to processor and helps in fast processing of data. As instruction is stored in RAM every time to wait for its turn to be executed as main memory is slower in the processor.

By having a cache memory between the processor and main memory, the overhead is shared; primary data is stored in the cache memory to be processed. There are level 1 cache, level 2 and level 3 cache memories. L1 is incorporated directly with processor comprises of instruction cache and data cache. L2 cache is faster than main memory but slower than L1 in a way that it is located into the chip with the processor. L3 cache is located on motherboard (Kioskia).

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