Q. No.Which logic gate is represented by the following combination of logic gates?
2. \(\mathrm{NAND}\)
3. \(\mathrm{AND}\)
4. \(\mathrm{NOR}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe output \((X)\) of the logic circuit shown in the figure will be:
1. \(X= \overline{A\cdot B}\)
2. \(X = A\cdot B\)
3. \(X= \overline{A+ B}\)
4. \(X=\overline{\overline{A}} \cdot \overline{\overline{B}}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
1. \(\mathrm{AND}\) gate
2. \(\mathrm{NOR}\) gate
3. \(\mathrm{OR}\) gate
4. \(\mathrm{NOT}\) gate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe figure shows a logic circuit with two inputs \(A\) and \(B\) and the output \(C\). The voltage waveforms across \(A\), \(B\), and \(C\) are as given. The logic circuit gate is:
1. \(\text{OR}\) gate
2. \(\text{NOR}\) gate
3. \(\text{AND}\) gate
4. \(\text{NAND}\) gate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTo get output \(Y = 1\) in the given circuit which of the following input will be correct?
| \(A\) | \(B\) | \(C\) | |
| 1. | 1 | 0 | 1 |
| 2. | 1 | 1 | 0 |
| 3. | 0 | 1 | 0 |
| 4. | 1 | 0 | 0 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe symbolic representation of four gates is shown as:
Pick out which ones are for AND, NAND, and NOT gates, respectively.
1. (i), (iv), and (iii)
2. (ii), (iii), and (iv)
3. (ii), (iv), and (iii)
4. (ii), (iv), and (i)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTo get an output Y = 1 from the circuit shown below, the input must be:
1. A=0 B=1 C=0
2. A=0 B=0 C=1
3. A=1 B=0 C=1
4. A=1 B=0 C=0
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe following figure shows a logic gate circuit with two inputs \(A\) and \(B\), and the output \(Y\). The voltage waveforms of \(A,B\) and \(Y\) are as given.
The logic gate is:
| 1. | OR gate | 2. | AND gate |
| 3. | NAND gate | 4. | NOR gate |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe symbolic representation of four logic gates is as shown:
| (i) |  |
(ii) |  |
| (ii) |  |
(iv) |  |
The logic symbols for OR, NOT, and NAND gates are respectively:
1. (iii), (iv), (ii)
2. (iv), (i), (iii)
3. (iv), (ii), (i)
4. (i), (iii), (iv)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe circuit is equivalent to:
1. AND gate
2. NAND gate
3. NOR gate
4. OR gate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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