Question 26.22: Write the Boolean expression for the logic circuit (digital ...
Write the Boolean expression for the logic circuit (digital circuit) shown in Fig. 26.39.
There are two AND gates \text { (viz. } G_1 \text { and } G_3 \text { ) and one OR gate }\left(G_2\right). Also the circuit has two inverters. The input A is fed to G_1 through the inverter. Therefore, \bar{A} , B and C are ANDed by G_1 to produce an output of \bar{A} BC. The input A is ORed with D by G_2 to produce an output of (A + D). The inputs \bar{A} B C \text { and }(\overline{A+D}) \text { to } G_3 are ANDed to produce the final output :
Y=\bar{A} B C(\overline{A+D})
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