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In which logic gate the output state is usually the complement of the input state?(a) NOT gate(b) NOR gate(c) X-NOR gate(d) OR gateI had been asked this question during a job interview.The question is from Boolean Algebra topic in section Boolean Algebra and Modeling Computations of Discrete Mathematics

Answer»

The correct CHOICE is (a) NOT gate

To explain: NOT gate is the SIMPLEST digital logic circuit which is ALSO called an inverter because it takes the input in 0 or 1 form and gives the OUTPUT as the complement of the input.



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