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The comdination of gates shown below yie...

The comdination of gates shown below yields

A

NOT gate

B

XOR gate

C

NAND gate

D

OR gate

Text Solution

Verified by Experts

The correct Answer is:
D
The Boolean expression of these gates is
`X=bar(barA.barB)=bar(barA)+bar(barB)=A+B`
It means OR gate is formed.
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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. To get an output y=1 from the circuit shown below, the input must be

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  2. The following figure shows a logic gate circuit with two inputs A and ...

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  3. The comdination of gates shown below yields

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  4. The circuit diagram (see fig.) shows a 'logic combination' with the st...

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  5. Truth table for system of four NAND gates as shown in figure is : .

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  6. The electrical conductivity of pure silicon can be increased by

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  7. In an n-p-n circuit transistor, the collector current is 10 mA. If 80%...

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  8. In a normal operation of a transistor,

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  9. In an n-p-n transistor circuit, the collector current ia 10 mA. If 90%...

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  10. Which of the following is/are correct relations in Boolean algebra?

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  11. The true statement (s) for a semiconductor is (are)

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  12. Which of the following is/are correct equations in Boolean algebra?

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  13. The impurity atoms with which pure silicon should be doped to make a p...

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  14. A transistor is connected in common emitter mode. The collector supply...

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  15. The decimal equivalent of the binary number (11010.101)(2) is

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  16. The distinction between conductors, insulators and semiconductors is l...

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  17. For an intrinsic semiconductor, the statement//statements that hold go...

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  18. Which of the following statements concerning the depletion zone of an ...

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  19. The light emitting diode (LED),

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  20. In a p-n junction with open ends,

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