A) OR
B) NOR
C) AND
D) NAND
Correct Answer: B
Solution :
Key Idea: NOR gate is universal gate. The NOT-OR operation is known as the NOR operation. Figure shows an N input \[(N\ge 2)\] OR gate followed by a NOT gate. The operation of this circuit can be described in the following way. The output of the OR gate V can be written as \[y=A+B+...+N\] ... (i) and the output of the NOT gate (Y) can be written using \[y=\overline{y}=\overline{A+B+...+N}\] ... (ii) The logic operation represented by Eq. (ii) is known as the NOR operation. or Table gives the truth table of a 2-input NOR gate. It indicates when either of input is high, the output is low.Inputs | Output | |
A | B | Y |
0 | 0 | 1 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 0 |
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