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 gate is
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a
OR gate
b
AND gate
c
NAND gate
d
NOR gate
answer is A.
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Detailed Solution
from the waveform it is observed that when A=0, B=0 ⇒C=0,A=1, B=1,⇒C=1,A=0, B=1,⇒C=1,A=1, B=0,⇒C=1.the logic circuit is an OR gate