ISRO | ISRO CS 2011 | Question 48

The hamming distance between the octets of 0xAA and 0x55 is
(A) 7
(B) 5
(C) 8
(D) 6

Answer: (C)
Explanation: The Hamming Distance between the two octets:

0xAA = 1010 1010
0x55 = 0101 0101

All the bits of both the words are different with respect to each other, so, the Hamming Distance is equal 8.

Option (C) is correct.
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