For each of the following implementations using 2x4 decoders with one-enable, write out the function in m notation (sum-of-minterms). Pay attention to the order of the variables in the function. (a) (b) (c) B- AD S C So AC A B'.C' D 2x4 DEC EN 1 0123 S So S So 2x4 DEC E B 2x4 DEC E A OHN M 0 1 2 3 0 WNLO 1 2 3 S B So F(A,B,C,D) 2x4 DEC o D G(A,B,C,D) EN WNTO 1 2 A.(B'.C'.D') 3 H(D,C,B,A) (2 marks) (2 marks) (2 marks)