(i)What kind of error is undetectable by the checksum and why? (ii) What is the Hamming distance for each of the following code word? (a) d (11100, 10110) (b) d (10001, 10011) (c) d (1001, 0000) (d) d (0000, 1001)
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Logical Error is undetectable
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- Answer:- At least three types of error cannot be detected by the current checksum calculation. ... Second, if the value of one data item is increased (intentionally or maliciously) and the value of another one is decreased (intentionally or maliciously) the same amount, the sum and the checksum cannot detect these changes.
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