Q1 8421 code is a) Self-complementing code b) Weighted code c) Non-weighted code d) Alphanumeric code Answerb) Weighted code Q2 ASCII code is a a) 5-bit code b) 7-bit code c) 8-bit code d) 10-bit code Answerb) 7-bit code Q3 In synchronous counters the clock input of each of the bi-stables are connected together so…