CPU frequencies include main frequency, FSB, bus frequency and multiplier. Which of the following statements about frequency multiplier is wrong?

CPU frequencies include main frequency, FSB, bus frequency and multiplier. Which of the following statements about frequency multiplier is wrong?
A . The usual overclocking operation of PC is to adjust the multiplier for CPUs that do not lock the multiplier. The overclocking method of adjusting the multiplier is much more stable than adjusting the external frequency.
B . The data transmission speed between the CPU and the system is limited. Blindly pursuing a high main frequency and obtaining a high frequency multiplier will cause an obvious "bottleneck" effect.
C . Under the same FSB, the higher the frequency multiplier, the higher the CPU frequency, which is not limited.
D . The multiplication factor refers to the relative ratio between the CPU main frequency and the FSB.

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Answer: C