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In Boolean algebra A + B = Y implies tha...

In Boolean algebra `A + B = Y` implies that :

A

output Y exists when both input A and B exist

B

output Y exists when either input A exists or input B exists or both inputs A and B exist

C

output Y exists when either input A exists or input B exists but not when both inputs A and B exist

D

output Y exists when both inputs A and B exists but not when either input A or B exists

Text Solution

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The correct Answer is:
B
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ALLEN -SEMICONDUCTORS-Part-3(Exercise-1)
  1. A transistor has an alpha = 0.95 It has change in emitter current of 1...

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  2. For a transistor I(e) = 25 mA and I(b) = 1mA. The value of current gai...

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  3. In Boolean algebra A + B = Y implies that :

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  4. Which of the following gate corresponds to the truth table given below...

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  5. In the Boolean algebra bar(A).bar(B) equals is :-

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  6. Given below are symbols for some logic gates :- The XOR gate and ...

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  7. The symbol represents :-

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  8. The truth table shown below is for which of the following gate :- {:...

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

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  10. Following diagram performs the logic function of-

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  11. How many minimum NAND gate are required to obtain NOR gate :-

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

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  13. Logic gates are the building blocks of a :-

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  14. Given truth table is related with :- {:(A,B,Y),(1,1,0),(0,1,1),(1,0,...

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  15. The truth table given above is for which of the following gates :- {...

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

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  17. The truth table given below belongs for which gates {:(A,B,Y),(0,0,0...

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  18. Out of the following, universal gate is :-

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  19. Thr truth table given below is for :- {:(A,B,Y),(0,0,1),(0,1,0),(1,0...

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  20. The output of gate is low when at least one of its input is high. This...

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