28 Which logical expression is equivalent of the Reference Circuit? a. ABCD b. ABD c. BCD d. ABC 0z minterm list: 9 The function f(A,B,C,D) (Aec) (BeD) may be ropresented by the a. m (1,2,3,4,6,7,8,9,11,12,13,14) b. 7n (1,4,6,7,8,9,11,14) c E:n (4,6,7,8,9,11,12) d. m (0,2,3,5,6,7,9,10,12,14) e. 2m (1,2,3,7,8,9,13,14) f. m (7,8,9,11,12,13,14) Q30 The function of the circuit shown in the figure is represented by: a. f(A, B) AB b. f(A, B)- A+B 4.8) e. fCA, B)B f. f(A,B)-AB