A | B | Output |
0 | 0 | 1 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 0 |
(i) Identify the logic gate used and draw its logic symbol. |
(ii) If the output of this gate is fed as input to a NOT gate, name the new logic gate so formed. |
Answer:
(i) From the given truth table it is clear that the given gate is NOR gate. Logic symbol (ii) If the output of NOR gate is fed as an input to a NOT gate, then the truth table is
This new gate is OR gate. A B Y 0 0 0 0 1 1 1 0 1 1 1 1
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