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What is a CPU fan?

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I am doing a computer homework.. Does anyone know that what is a CPU fan or a CPU cooler? I want answer in english...please

最佳解答:

CPU fan or CPU cooler is only some example of heatsink. A heatsink is a device that is attached to a microprocessor chip to keep it from overheating by absorbing its heat and dissipating it into the air. The heatsink may be held in place on the microprocessor by a clip. To ensure that the heatsink can absorb as much heat as possible, thermal grease is used to create a seal between the two devices. Most heatsinks are aluminum and have fins that extend from the base. An active heatsink is one that comes with a fan, sometimes called a heatsink/fan combo (HSF). A passive heatsink is one that comes without a fan.

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