Recent content by alvinliu

  1. A

    Why do some 3 to 5 decoders only have certain inputs decoded?

    I don't know why they circle the 001 .011. 100.101. 110 .because I saw the textbook showed for 3to 4 decoder. Y0 =1 since 00. Y1 = 1 since 01. Y2 =1 since 10,Y3 = 1 since 11. But for this problem . I am so confused.