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Which error detection method can detect a single-bit error?

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Which error detection method can detect a single-bit error?

(a) Simple parity check

(b) Two-dimensional parity check

(c) CRC

(d) Checksum

I had been asked this question in an interview for job.

The question is from Parity Generators/Checkers topic in portion Combinational Circuits of Digital Circuits

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Correct answer is (b) Two-dimensional parity check

Best explanation: A single-bit error can be detected by using two-dimensional parity check method. Since it converts the 4-bit number into 8-bit and count the number of one’s.

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