The output of an OR gate is connected to both the input of a NAND gate. Draw the logic circuit of this combination of gates and write its truth tablr.
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The logic circuit of the given problem is shown in Fig. Here, `y^(')=(A+B)` and `y=bar(y^(').y^(')) =bar(y^('))+bar(y^('))=bar(y^('))=bar((A+B))` It means a NOR gate is formed. The truth table is shown in Fig.
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