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The value of overline A + A in the Boole...

The value of `overline A + A` in the Boolean algebra is

A

0

B

1

C

A

D

`barA`

Text Solution

Verified by Experts

The correct Answer is:
B
`A+barA=1`
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. Which gate is represeneted by the symbolic diagram given here

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  2. Digital circuit can be made by repetitive use of

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  3. The value of overline A + A in the Boolean algebra is

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  4. The value of A. overline A in Boolean algebra is.

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  5. Which of the following is not equal to 1 in Boolean algebra ?

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  6. What is Boolean expression for the gate circuit shown in figure ?

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  7. What is the output Y of the gate circuit shown in figure ?

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  8. What is the name of the gate obtained by the combination shown in figu...

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  9. What is the name of the gate obtained by the combination shown in figu...

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

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

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

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  13. Which of the following gates will have an output

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

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

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  16. Boolean algebra is essentially based on

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

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  18. A logic gate is an electronic circuit which

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

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

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