When data outside the cache is required, it is retrieved through the system bus from random access memory (RAM) or from storage devices. ![]() In a single-core or traditional processor, the CPU is fed strings of instructions that it must order, execute, then selectively store in its cache for quick retrieval. ![]() Other types of multi-core processors also have been developed, including quad-core processors with four cores each, hexa-core processors with six, octa-core processors with eight and many-core processors with an even larger number of cores.ĭual core processor mounted to a motherboard. This type of CPU is widely available from many manufacturers. ![]() It essentially is two microprocessors in one. ![]() A dual core processor for a computer is a central processing unit ( CPU) that has two separate cores on the same die, each with its own cache.
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