What is usually described by main frequency in the computer field?

#In the computer field, "clock frequency" is often used to describe the computing speed of a computer.

The main frequency of the CPU is the clock frequency at which the CPU core works. The main frequency of the CPU does not represent the speed of the CPU, but increasing the main frequency is crucial to increasing the CPU's computing speed.

Assuming that a CPU executes an operation instruction in one clock cycle, when the CPU runs at a main frequency of 100MHz, it will be twice as fast as when it runs at a main frequency of 50MHz. However, the overall running speed of the computer not only depends on the PU computing speed, but also is related to the operation of other sub-systems.

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