how does a monitoring software know the clock speed, data transfert etc. of components at any given time (CPU/GPU/disk/…)?

Question

how does a monitoring software know the clock speed, data transfert etc. of components at any given time (CPU/GPU/disk/…)?

In: Technology

Answer 1

[This video](https://www.youtube.com/watch?v=U612mx16j7U) gives a really simple and visual explanation about this question.