Write the truth table for the combination of the gates shown in Fig. Name the gates used.
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In the given combination of gates, P is NOR gate and Q is AND gate. Boolean expression for NOR gate is `y^(')=bar((A+B))` Boolean expression for the combination of gates is `y=A.bar((A+B))` The truth table is shown below: `|{:(A,B,bar(A+B),y=A.(bar(A+B))),(0,0,1,0),(0,1,0,0),(1,0,0,0),(1,1,0,0):}|`
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