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 |
 87%
From NCERT
AIPMT - 1998
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The following logic gate is: 

1. AND 

2. NAND 

3. EX-OR 

4. OR 

Subtopic:  Logic gates |
 93%
From NCERT
AIPMT - 1998
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One part of a device is connected to the negative terminal of a battery and the other part is connected to the positive terminal of a battery. If their ends are now altered, current does not flow in circuit. The device is:
1. P-N Junction
2. Transistor
3. Zener diode
4. Triode

Subtopic:  PN junction |
 71%
From NCERT
AIPMT - 1998
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The cause of potential barrier in a P-N junction diode is:

1. Concentration of positive and negative ions near the junction.
2. Concentration of positive charges near the junction.
3. Depletion of negative charges near the junction.
4. Increment in concentration of holes and electrons near the junction.
Subtopic:  PN junction |
 66%
From NCERT
AIPMT - 1998
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The truth table for the following network is:

1.
A B Y
0 0 0
0 1 0
1 0 0
1 1 1
2.
A B Y
0 0 0
0 1 1
1 0 1
1 1 0
3.
A B Y
0 0 1
0 1 0
1 0 0
1 1 1
4. None of the above
Subtopic:  Logic gates |
 76%
From NCERT
AIPMT - 1999
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Zener diode is used as:
1. Half-wave rectifier
2. Full-wave rectifier
3. A.C. voltage stabilizer
4. D.C. voltage stabilizer

Subtopic:  Applications of PN junction |
From NCERT
AIPMT - 1999
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The depletion layer has (for an unbiased \(p-n\) junction):
1. electrons
2. holes
3. static ions
4. neutral atoms

Subtopic:  PN junction |
 64%
From NCERT
AIPMT - 1999
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From the following diode circuit, which diode is in forward biased condition:

1. 2.
3. 4.
Subtopic:  PN junction |
 91%
From NCERT
AIPMT - 2000
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Given Truth table is correct for:

1. NAND

2. AND

3. NOR

4. OR

Subtopic:  Logic gates |
 86%
From NCERT
AIPMT - 2000
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The following truth table represent which logic gate:

A B C
1 1 0
0 1 1
1 0 1
0 0 1


1.  XOR
2.  NOT
3.  NAND
4.  AND

Subtopic:  Logic gates |
 90%
From NCERT
AIPMT - 2001
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