A 7-bit Hamming code is received as 1101101. Determine if there is an error, and if so, What are the parity bits for the 4-bit data 1011 when using Hamming code (7,4)? In a Hamming code system, what is the purpose of the parity bits?
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Sixteen-bit messages are transmitted using a Hamming code. How many check bits are needed to ensure that the receiver can detect and correct single-bit errors? Show the bit pattern transmitted for the message 1101001100110101. Assume that even parity is used in the Hamming code (15pt).
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