NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    The truth table given below:      
    Inputs Output
    A B Y
    0 0 0
    1 0 0
    0 1 0
    1 1 1
                    represents:

    A)                 AND gate     

    B)                 NOR gate            

    C)                 OR gate 

    D)                 NAND gate

    Correct Answer: A

    Solution :

                    We can see from the truth table that output is 1 only when its both inputs are 1.                 This is only possible for AND gate. The Boolean expression for AND gate is                                 \[Y=A\cdot B\]                  which satisfies the truth table as below:                                 0.0 = 0                                 1.0 = 0                                 0.1 = 0                                 1 .1 = 1                 Here symbol (\[\centerdot \]) represents AND operation.


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