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Which of the following relation is valid...

Which of the following relation is valid in Boolean algebra :-

A

`A + bar(A) = 0`

B

`A+A = 2A`

C

`A + bar(A) = 1`

D

`A + bar(A)=A`

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-SEMICONDUCTORS-Part-3(Exercise-2)
  1. You are given two circuits as shown in following figure. The logic ope...

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  2. Which of the following Boolean expression is not correct :-

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  3. Which of the following relation is valid in Boolean algebra :-

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

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  5. The output Y of the combination of gates shown in equal to :-

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  6. Which of the following relation is valid in Boolean algebra :-

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  7. The diagram of a logic circuit is given below. The output F of the cir...

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  8. The following configuration of gate is equivalent to

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  9. To get an output of 1 form the circuit shown in figure the input must ...

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  10. The circuit shown here is logically equivalent to :-

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  11. Which of the following will have an output of 1 :-

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  12. The logic symbols shown here are logically equivalent to :-

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  13. The combination of the gates shown will produce

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  14. The combination of the gates shown will produce

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  15. Which of the following represents correctly the truth table of configu...

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  16. The truth table for the following combination of gates is :-

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  17. The combination of the gates shown represents :-

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  18. Which of the following relations is valid for Boolean algebra :-

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  19. In the following circuit, the output Y for all possible inputs A and B...

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  20. The real time variation of input signals A and B are as shown below. I...

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