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When the outputs of two inverters are wired together the result is __________(a) A two-input NOR gate(b) A single-input NOR gate(c) A two-input NAND gate(d) A single-input NAND gateThe question was asked by my college professor while I was bunking the class.I would like to ask this question from Integrated-injection Logic(I^2L) topic in chapter Logic Families of Digital Circuits

Answer»

Correct answer is (a) A two-input NOR gate

Easy EXPLANATION: When the outputs of two inverters are wired TOGETHER then the result is a two-input NOR gate because the configuration (NOT A) AND (NOT B) is equivalent to NOT (A OR B). In a NOR gate, the output is high only when all of its input are at logic 0 else, the output is LOW.



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