Name the logic gate in figure 7 and draw its truth table

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here's the solution for question 7 from the image:

7) Name the logic gate in figure 7 and draw its truth table

Identify the logic gate.
The symbol shown in Figure 7 has the shape of an OR gate followed by a small circle (inverter) at its output. This combination represents a NOR gate.
The logic gate is a $\boxed{\text{NOR gate}}$ .
Draw the truth table for a NOR gate with inputs A and B, and output Y.
A NOR gate produces an output of 1 (TRUE) only if all its inputs are 0 (FALSE). Otherwise, the output is 0 (FALSE).

A B Y
0 0 1
0 1 0
1 0 0
1 1 0

The truth table is:
$\begin{array}{|c|c|c|} \hline \textbf{A} & \textbf{B} & \textbf{Y} \\ \hline 0 & 0 & 1 \\ \hline 0 & 1 & 0 \\ \hline 1 & 0 & 0 \\ \hline 1 & 1 & 0 \\ \hline \end{array}$

Answer