If a processor clock is rated as 2500 million cycles per second, then its clock period is:
We know that frequency is defined as the number of cycles in one second.
Given:
Number of cycles in 1 second = 2500 million
Therefore,
$$
\text{Frequency} = 2500\ \text{MHz}
$$
We also know that time period (T) is the inverse of frequency and is defined as the time taken for one cycle:
$$
T = \frac{1}{F}
$$
Substituting the value:
$$
T = \frac{1}{2500 \times 10^6}
$$
$$
T = 4 \times 10^{-10} \ \text{seconds}
$$
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