What really matters is how much work a chip can accomplish, a figure measured by the number of instructions executed per clock cycle.

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Things like the number of computer instructions per clock cycle, the bandwidth of the RAM bus, and the overall efficiency of the architecture are at least as important as the raw clock speed at which a processor runs.

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Impairment in the body's internal clock, ultimately disrupting a person's sleep-wake cycle, is just one of the potential symptoms of dementia.

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