Computer Science for IGCSE & O level - Boolean Logic (Section 1 - No. 49)
What is the role of an OR gate in the examples shown?
It inverts the input signal.
It outputs 1 if and only if all inputs are 1.
It outputs 1 if at least one input is 1.
It outputs 0 if at least one input is 1.
Giải thích
The OR gate produces 1 (TRUE) if any input is 1 (TRUE).