Which gates are ideal for checking the parity bits?(a) AND(b) NAND(c) EX-OR(d) EX-NORThe question was posed to me during an online exam.I'd like to ask this question from Parity Generators/Checkers topic in section Combinational Circuits of Digital Circuits

Which gates are ideal for checking the parity bits?(a) AND(b) NAND(c)

1.	Which gates are ideal for checking the parity bits?(a) AND(b) NAND(c) EX-OR(d) EX-NORThe question was posed to me during an online exam.I'd like to ask this question from Parity Generators/Checkers topic in section Combinational Circuits of Digital Circuits
Answer» Right choice is (c) EX-OR Explanation: Exclusive-OR gates are ideal for CHECKING the PARITY of a BINARY number because they produce an output when the input has an odd number of 1’s. Therefore, an even-parity input to an EX-OR gate produces a low output, while an odd parity input produces a high output. While, in case of AND, it produces high output when all inputs are 1 ELSE low. Whereas, NAND, does the opposite, by producing low output when all inputs are 1 else high.

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Which gates are ideal for checking the parity bits?(a) AND(b) NAND(c) EX-OR(d) EX-NORThe question was posed to me during an online exam.I'd like to ask this question from Parity Generators/Checkers topic in section Combinational Circuits of Digital Circuits

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