Computer Science for IGCSE & O level - Boolean Logic (Section 7 - No. 49)
What is the output of a 3-input OR gate when all inputs are 0?
0
1
Undefined
Depends on the other gates in the circuit.
ব্যাখ্যা
An OR gate outputs 1 if at least one input is 1. If all inputs are 0, then the output is 0.