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An AND gate is followed by a NOT gate in...

An AND gate is followed by a NOT gate in series with two inputs A and B, the Boolean expresion for the output Y will be ……….

A

`bar(A+B)`

B

`bar(A*B)`

C

`A*B`

D

`A+B`

Text Solution

Verified by Experts

The correct Answer is:
B
`bar(A*B)`
The NAND gate is obtained by combining the AND and NOT gates in the series.
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KUMAR PRAKASHAN-SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS -Section-D : Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exams)
  1. n-type semiconductor is obtained on doping intrinsic germanium by …….

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  2. A hole in a p-type semiconductor is ……. in a covalent bond.

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  3. An AND gate is followed by a NOT gate in series with two inputs A and ...

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  4. In the shown figure the focal length of equivalent system in the form ...

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  5. Seperated p-type semiconductor is electrically ………

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  6. Name the gate, which represent the Boolean expression y=bar(A*B)

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  7. An electron hole pari is formed when light of maximum wavelength 6000...

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  8. The boolean expression of NOR gate is…….

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  9. Which of the following is not a type of tissue ?

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  10. The output of AND gate is 1, so ……

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  11. The ratio of resistance of forward bias and reverse bias in p-n connec...

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  12. A sinusoidal voltage of peak value 220 volts is connected to a diode ...

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  13. In a zener diode, the reverse bias voltage is 3V and width of the depl...

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  14. Gate can be obtained by shorting both the input terminals of a NOR gat...

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  15. The figure shows the input signal A, input signal B and output signal ...

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  16. What kind of p-n junction diode does not require any kind of bias?

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  17. Which logic gate is represented by the following logic gates?

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  18. For the circuit shown in the figure, calculate the equivalent resistan...

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  19. The value of beta of a transistor is 19. The value of alpha will be ……

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  20. The wavelength of photon having energy of 35 keV is …….. (h=6.625xx1...

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