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(A) To identify the logic gate,we analyze the truth table from the given waveforms:Time IntervalInput $A$Input $B$Output $C$$0$ to $t_1$$0$$0$$0$$t_1$

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$OR$ gate

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(A) To identify the logic gate,we analyze the truth table from the given waveforms:Time IntervalInput $A$Input $B$Output $C$$0$ to $t_1$$0$$0$$0$$t_1$ to $t_2$$1$$0$$1$$t_2$ to $t_3$$1$$1$$1$$t_3$ to $t_4$$0$$1$$1$$t_4$ to $t_5$$0$$0$$0$$t_5$ to $t_6$$1$$0$$1$Comparing this with the truth tables of standard gates:- For an $OR$ gate,the output is $1$ if at least one input is $1$.- The observed output $C$ follows the condition: $C = 1$ if $A=1$ or $B=1$,and $C = 0$ if $A=0$ and $B=0$.- This corresponds exactly to the truth table of an $OR$ gate.

The figure shows a logic circuit with two inputs $A$ and $B$ and the output $C.$ The voltage waveforms across $A, B$ and $C$ are as given. The logic circuit gate is

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