Dell Inspiron 3052 user manual download (Page 31 of 93)

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Page 31 of 93
Computer fan
Processors are mainly classified based on:
• Number of processing cores
• Speed or frequency measured in GigaHertz (GHz) or MegaHertz (MHz)
• On-board memory, also referred to as cache
These aspects also determine the performance of the processor.
Higher values generally mean better performance. Some processors may
be integrated on the system board.
Some of the processor manufacturers are Intel, AMD, Qualcomm, and so on.
Computer fan
A computer fan cools the internal components of a computer by expelling
hot air from the computer. Computer fans are commonly used to cool
components that have high power consumption and thus generate a high
amount of heat. Keeping the components cool helps in protecting them
from overheating, malfunctioning, and damage.
Heat sink
Heat sinks are used to dissipate heat generated by the processor, some
high-end graphics cards, and on-board chipsets. Heat sinks generally have
a fan mounted above or beside them to increase airflow.
A heat sink is made up of fins or blades instead of a single block of metal.
This helps increase the surface area for increased heat dissipation. A layer of
thermal grease is applied between the processor or graphics card and the
heat sink for easy exchange of heat.