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The combination of 'NAND' gates shown he...

The combination of `'NAND'` gates shown here under (figure) are equivalent to

A

an OR gate and an AND gate respectively

B

an AND gate and a NOT gate respectively

C

an AND gate and an OR gate respectively

D

an OR gate and a NOT gate respectively

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The correct Answer is:
A
(a) `C=bar(bar(A)*bar(B))=bar(bar(A))+bar(bar(B))=A+B`=OR gate
(b) C=`bar(bar(A*B))=AB=`AND gate
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. What is the name of the gate obtained by the combination shown in figu...

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  2. Given below are four logic tage symboles. Those for OR, NOR and NAND a...

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  3. The combination of 'NAND' gates shown here under (figure) are equivale...

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  4. How many NAND gate are used to from AND gate?

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  5. Which of the following gates will have an output

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  6. For the given combination of gates, if the logic states of inputs, A,B...

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  7. The following truth table corresponds to the logic gate |(A,0,0,1,1)...

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  8. Boolean algebra is essentially based on

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  9. The logic behind 'NOR' gate is that it gives

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  10. A logic gate is an electronic circuit which

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  11. How many NAND gates are required to realise (i) OR gates and (ii) AND ...

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  12. How many NOR gates are used to form an AND gate

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  13. What will be the input of A and B for the Boolean expression bar((A+B)...

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  14. If A and B are two inputs in AND gate, then AND gate has an output of ...

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  15. The boolean equation of NOR gate is-

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  16. The combination of the gates shown in the figure below produces

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  17. The output of a NAND gate is 0

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  18. A gate in which all the inputs must be low to get a high output is cal...

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  19. Which logic gate is represented by the following combination of logic ...

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  20. The output of OR gate is 1

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