Which statement is true for the given circuit:

  

1. \(\mathrm{(a)}\) is OR gate and \(\mathrm{(b)}\) is NOT gate
2. \(\mathrm{(a)}\) is NOT gate and \(\mathrm{(b)}\) is OR gate
3. \(\mathrm{(a)}\) is AND gate and \(\mathrm{(b)}\) is OR gate
4. \(\mathrm{(a)}\) is OR gate and \(\mathrm{(b)}\) is AND gate
Subtopic:  Logic gates |
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A \(\mathrm{NAND}\) gate is connected, as shown in the figure.

    
The circuit operates like a:
1. NOT gate
2. OR gate
3. AND gate
4. None of these

Subtopic:  Logic gates |
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