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The Central Processing Unit (CPU) which is the microprocessor chip that's mounted on the system board. The CPU is essentially the heart and brain of a computer. all the programs you run or date that you enter into a computer is actually manipulated directly or indirectly by the CPU. Ultimately, the CPU determines the capabilities and speed of the computer. The CPU is the most powerful chip in the computer and can operate at rates of 3200 million cycles per second (3.2 GHs) and greater. The CPU works at a speed limited by its design and is controlled by an electronic clock crystal and timing chip. They are measured in cycles per second, or hertz. The CPU operates so quickly (millions of times per second) that the terms are megahertz, or MHz, and gigahertz, GHz to describe their speeds

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13y ago

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