Multiple choice general knowledge science & technology if a=0, b=1 a xor b =? 0 1 infinity null Reveal answer Fill a bubble to check yourself B Correct answer Explanation XOR (exclusive OR) returns 1 only when exactly one input is 1. With a=0 and b=1, exactly one input is 1, so the result is 1. XOR would return 0 only if both inputs were the same (both 0 or both 1).