ENGG1100|Term2|201415 题香港中文大學 The Chinese University of Hong Kong Combinational logic ( Combine not, and, or XY are 3 digital input signals We can use a"Truth table"to find the output Because there are n=3 inputs: XY,Z So there are 2n=8 rows in the truth table Fill in Z:0,10,1,0,1,0,1 Fill in y:0,0,1,1,0,0,1,1 Fill in x:0,0,0,0,1,1,11 Z V15.02.09 IntroductionENGG1100 | Term 2 | 2014-15 Combinational logic (Combine NOT, AND, OR) • X , Y , Z are 3 digital input signals • We can use a “Truth table” to find the output • Because there are n=3 inputs: X,Y,Z • So there are 2n=8 rows in the truth table • Fill in Z: 0,1,0,1,0,1,0,1 • Fill in Y: 0,0,1,1,0,0,1,1 • Fill in X: 0,0,0,0,1,1,1,1 V15.02.09 Introduction 21