Multiple choice The number of input line required in a decoder, if it has 32 output lines. 5 4 3 2 Reveal answer Fill a bubble to check yourself A Correct answer Explanation A decoder with N input lines can have up to 2^N output lines. If a decoder has 32 output lines, then 2^N = 32, which means N = 5 (since 2^5 = 32). Therefore, 5 input lines are required.