Computer Science for IGCSE & O level - Boolean Logic (Section 8 - No. 40)
What is the effect of a NOT gate on an input signal?
It duplicates the input signal.
It inverts the input signal.
It allows the input signal to pass unchanged.
It amplifies the input signal.
Giải thích
A NOT gate inverts the input signal. If the input is 1 (high), the output is 0 (low), and vice-versa.