HELPPP!!!!!

Problem 1 Construct a 2-bit adder using: 2-bit adder a) a decoder and external gates b) a ROM c) three 16 x 1 multiplexers d) three 8 x 1 multiplexers A1 A0 +B1 B0 Cout S1 SO Build and simulate each logic circuits in Logisim. Don't forget to Example: save and submit the files. 1 0 Name the files as: Name Surname_2bitadder_Decoder Name_Surname_2bitadder_ROM Name Surname_2bitadder_16x1MUX Name Surname_2bitadder_8x1MUuX 1 01 ? A1 = 1; A0=0; Cout=1; S1=0; SO=1