You propose a code in which each three-digit binary message word a₁ a₂ a₃ has appended a parity-check digit c₁ = a₁ + a₂ + a_3.Which of the following is a true statement? A) The code can detect and correct any single-digit error. B) The code can detect any single-digit error and correct some but not all single-digit errors. C) The code can detect any single-digit error, but it cannot correct any single-digit error. D) The code can detect some but not all single-digit errors.

Question

Quizplus · Accepted Answer

The code can detect any single-digit error because the parity check will fail if any single bit is flipped. However, it cannot correct the error because it does not provide enough information to identify which bit was incorrect.

You Propose a Code in Which Each Three-Digit Binary Message