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The truth table given in fig. represents :

A B Y
0 0 0
0 1 1
1 0 1
1 1 1


 

 

  • Option 1)

    AND - Gate

  • Option 2)

    OR - Gate

  • Option 3)

    NAND - Gate

  • Option 4)

    NOR - Gate

     

 

Answers (1)

best_answer

As we learnt in

OR gate -

Relation between input and output

    Y= A+B

- wherein

A and B are input

Y is out put

 

                           

Y = A.B\\ \left.\begin{matrix} A=0, B=0, Y=0 \\ A=1, B=0, Y=0 \\ A=0, B=1, Y=0 \\ A=1 B=1, Y=1 \end{matrix}\right|         NAND\ gate\ Y=\overline{A.B}\\ \right.\begin{matrix} A=0, B=0, Y=1 \\ A=1, B=0, Y=1 \\ A=0, B=1, Y=1 \\ A=1 B=1, Y=0 \end{matrix}\left

OR

Gate\ Y=A+B\\ \left.\begin{matrix} \ A=0, B=0, Y=0 \\ \ A=1,B=0, Y=1 \\ \ A=0,B=1,Y=1 \\ \ A=1, B=1, Y= 1 \end{matrix}\right|    NOR gate Y = \overline{A + B}\\ \right.\begin{matrix} \ A=0, B=0, Y=1 \\ \ A=1, B=0, Y=0 \\ \ A=0, B=1, Y=0 \\ \ A=1, B=1, Y=0 \end{matrix}\right

Comparing the table with output the truth table represent OR gate.

Correct option is 2.

 


Option 1)

AND - Gate

This is an incorrect option.

Option 2)

OR - Gate

This is the correct option.

Option 3)

NAND - Gate

This is an incorrect option.

Option 4)

NOR - Gate

 

This is an incorrect option.

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prateek

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