[2.5) 16 i) Implement the following Boolean expression using basic gates. X=AD+(A+B+C) ii) Using K-Map deduce the value of each function D and B Table C16 [2.5) ol LLLLOO Inputs XY Z 0 0 0 0 1 1 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 Outputs D B 1 0 1 1 1 0 0 1 1 0 0 0 0 1 1 17 Design a logic circuit for a simple lock whose secret code is set by 3 switches A,B,C. The lock is open when ABC corresponds to 110 and 010. For all other codes, the lock is closed. 1) Construct the truth table for the lock operation. ii) Write the logic function. iii) Implement using basic gates. [2] [2] [1] 18 A multiplexer circuit has 4 selection lines to control 16 inputs. The logic function is given as F(A,B,C,D)-m(0,1,4,5,6,9,10,12,14,15) i) Implement the function using 16xI MUX ii) Implement the function using 8x1 MUX by keeping A as the input variable. [2.5] [2.5) 19 A multiplexer is used to accept data from many input sources for transmission over a common shared line as shown in Figure C1 found MUX Dy Figure B19 i) If A-0, B-1, which of the inputs is present in the output Y?. [0.5] ii) What must be the value for A and B so that MP3 Player will be selected? [0.5) iii) Construct the truth table, write the logic function and draw the logic diagram of the given [4] multiplexer 19 A multiplexer is used to accept data from many input sources for transmission over a common shared line as shown in Figure C1 MP3 MUX Se D Figure B19 i) If A-0, B-1, which of the inputs is present in the output Y?. [0.5] ii) What must be the value for A and B so that MP3 Player will be selected? [0.5) iii) Construct the truth table, write the logic function and draw the logic diagram of the given (4) multiplexer 20 For the given Boolean expression Y = A.B.C.D + A.B.C.D+ A.B.C.D+.B.C.D + A.B.C.D + A.B.C.D + A.B.C.D + A.B.C.D 1) Evaluate the simplified expression by constructing K-Map. ii) Build the truth table for the given logic expression. [2.5] [2.5]