Computer Science for IGCSE & O level - Boolean Logic (Section 9 - No. 18)
What is the output of a 2-input NOR gate when both inputs are 1?
0
1
Undefined
Depends on the previous gate
Paliwanag
A NOR gate's output is the inverse of an OR gate. So, if the inputs are both 1, the OR gate output is 1 and thus the NOR gate output is 0.