Ef staðsetning þín er ekki skráð skaltu velja eitt af eftirfarandi:
Ef staðsetning þín er ekki skráð skaltu velja eitt af eftirfarandi:
Frequency refers to the number of periodic changes completed in unit time. It is usually expressed by the symbol f or u, and the unit is one second. The frequency units are Hz, KHz, MHz, GHz, THz.
1KHz = 103Hz1MHz = 103KHz1GHz = 103MHz1THz = 103GHz