CodePudding user response:
A, b, c, and d are four binary number, the corresponding 16 switch with BAD code said said 0010 0000 0000 0010 2002CodePudding user response:
Trans module is a bit redundant, but also design the wrong; Actually directly using the input of a, b, c, d, trans output should be 4 - bit, single bit cannot be 0 ~ 9,