The output of the OR gate is \(1\):
1. only if both inputs are zero.
2. if either or both inputs are \(1\).
3. only if both inputs are \(1\).
4. if any of the inputs is zero.
Subtopic:  Logic gates |
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To get output \(Y=1\) for the following circuit, the correct choice for the input is:
  

1. \(A=1,~ B= 0, ~C=0\)
2. \(A=1,~ B= 1, ~C=0\)
3. \(A=1,~ B= 0, ~C=1\)
4. \(A=0,~ B= 1, ~C=0\)

Subtopic:  Logic gates |
 89%
From NCERT
NEET - 2016

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The following table is for which logic gate?

Input Output
A B C
0 0 1
0 1 1
1 0 1
1 1 0


1. AND
2. OR
3. NAND
4. NOT

Subtopic:  Logic gates |
 88%
From NCERT
AIPMT - 1998

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The logic behind the 'NOR' gate is that it gives:

1. High output when both the inputs are low.
2. Low output when both the inputs are low.
3. High output when both the inputs are high.
4. None of these

Subtopic:  Logic gates |
 86%
From NCERT

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Given Truth table is correct for:
\(A\) \(B\) \(Y\)
\(1\) \(1\) \(1\)
\(1\) \(0\) \(0\)
\(0\) \(1\) \(0\)
\(0\) \(0\) \(0\)
1. NAND
2. AND
3. NOR
4. OR

Subtopic:  Logic gates |
 87%
From NCERT
AIPMT - 2000

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A combination of logic gates is shown in the circuit. If \(A\) is at \(0\) V and \(B\) is at \(5\) V, then the potential of \(R\) is:

1. \(0\) V 2. \(5\) V
3. \(10\) V 4. Any of these
Subtopic:  Logic gates |
 83%
From NCERT

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Logic gates \(X\) and \(Y\) have the truth tables shown below:

\(X\)
\(P\) \(Q\) \(R\)
\(0\) \(0\) \(0\)
\(1\) \(0\) \(0\)
\(0\) \(1\) \(0\)
\(1\) \(1\) \(1\)
\(Y\)
\(P\) \(R\)
\(0\) \(1\)
\(1\) \(0\)

When the output of \(X\) is connected to the input of \(Y\), the resulting combination is equivalent to a single:
1. NOT gate
2. OR gate
3. NAND gate
4. AND gate

Subtopic:  Logic gates |
 82%
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The 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

Subtopic:  Logic gates |
 85%
From NCERT
AIPMT - 2012

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For the logic circuit given below, the output \(Y\) for \(A=0,B=0\) and \(A=1,B=1\) are:

          
1. \(0\) and \(1\)
2. \(0\) and \(0\)
3. \(1\) and \(0\)
4. \(1\) and \(1\)

Subtopic:  Logic gates |
 81%
From NCERT

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Which one of the following represents an analog circuit diagram for OR gate?

1. 2.
3. 4.
Subtopic:  Logic gates |
 80%
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