Question: Suppose a 3-out-of-6 code is used in a digital communication system for error detection purpose. In this code, each codeword is 6-bit long; 3 out

Suppose a 3-out-of-6 code is used in a digital communication system for error detection purpose. In this code, each codeword is 6-bit long; 3 out of 6 bits are 1s and the others are 0s.

a.List all the valid codewords.

b. What fraction of errors is undetectable? Justify your answer.

c. What fraction of 4-bit errors is undetectable? Justify your answer.

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