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
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. \(\mathrm{p\text-n}\) Junction
2. Transistor
3. Zener diode
4. Triode
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. |
The truth table for the following network is:
1. |
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2. |
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3. |
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4. | None of the above |
Zener diode is used as:
1. Half-wave rectifier
2. Full-wave rectifier
3. AC voltage stabilizer
4. DC voltage stabilizer
The depletion layer has (for an unbiased \(\mathrm{p\text-n}\) junction):
1. electrons
2. holes
3. static ions
4. neutral atoms
From the following diode circuit, which diode is in forward biased condition:
1. | 2. | ||
3. | 4. |
\(A\) | \(B\) | \(Y\) |
\(1\) | \(1\) | \(1\) |
\(1\) | \(0\) | \(0\) |
\(0\) | \(1\) | \(0\) |
\(0\) | \(0\) | \(0\) |
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