Q 11 :    

In the combination of the following gates the output Y can be written in terms of inputs A and B as                  [2018]

  • A·B¯

     

  • A·B¯+A¯·B

     

  • A·B¯+A·B

     

  • A+B¯

     

(2)

 



Q 12 :    

The given electrical network is equivalent to                [2017]

  • OR gate

     

  • NOR gate

     

  • NOT gate

     

  • AND gate

     

(2)

At output, the truth table corresponds to NOR gate.

 



Q 13 :    

What is the output Y in the following circuit, when all the three inputs A, B, C are first 0 and then 1 ?           [2016]

  • 0, 1

     

  • 0, 0

     

  • 1, 0

     

  • 1, 1

     

(3)

 



Q 14 :    

To get output 1 for the following circuit, the correct choice for the input is         [2016, 2012, 2010]

  • A = 1, B = 1, C = 0

     

  • A = 1, B = 0, C = 1

     

  • A = 0, B = 1, C = 0

     

  • A = 1, B = 0, C = 0

     

(2)

Output of the circuit, Y=(A+B)·C

Y = 1 if C = 1 and A = 0, B = 1 or A = 1, B = 0 or A = B = 1