Semiconductor Electronics Materials Devices And Simple Circuits Ques 7
7. The following figure shows a logic gate circuit with two inputs $A$ and $B$ and the output $C$. The voltage waveforms of $A, B$ and $C$ are as shown below
The logic circuit gate is
(a) NAND gate
(b) NOR gate
(c) OR gate
(d) AND gate
[2006]
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Answer:
Correct Answer: 7.(d)
Solution:
- (d) On the basis of given graph, following table is possible.
$ \begin{matrix} \text{ A } & \text{ B } & \text{ C } \\ 0 & 0 & 0 \\ 1 & 1 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 0 \end{matrix} $
It is the truth table of AND gate.
BETA
