How do you plan to solve it?
/*Write solution code here*/ module selector3( input wire [7:0]a,b,c, input wire [1:0]sel, output reg [7:0]y ); always@(*) begin if(sel==2'b00) y<=a; else if (sel==2'b01) y<=b; else if(sel==2'b10) y<=c; else y<=8'b00; end endmodule