This symbol represents

Which one of the following will be the output of the given circuit?

In a certain $2$-input logic gate,when inputs $A=0$ and $B=0$,then output $C=1$. And also when inputs $A=0, B=1$,then again output $C=1$. The gate must be

The logic circuit is shown below:

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

To obtain the given truth table,which logic gate should be placed at $G$?

Draw the output signals $C_1$ and $C_2$ for the given combination of gates as shown in the figure.

Consider the following logic circuit. The output is $Y = 0$ when