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Question: A truth table is given below. Which of the following has this type of truth table A 0 1 0 1 B 0 0 ...

A truth table is given below. Which of the following has this type of truth table

A 0 1 0 1

B 0 0 1 1

y 1 0 0 0

A

XOR gate

B

NOR gate

C

AND gate

D

OR gate

Answer

NOR gate

Explanation

Solution

In ‘NOR’ gate Y=A+BY = \overline{A + B}

i.e. 0+0=0=1\overline{0 + 0} = \overline{0} = 1, 1+0=1=0\overline{1 + 0} = \overline{1} = 0

0+1=1=0\overline{0 + 1} = \overline{1} = 0, 1+1=1=0\overline{1 + 1} = \overline{1} = 0