If A ⊕ B = C then compute the following:
I – A ⊕ C = x
II – B ⊕ C = y
III – A ⊕ B ⊕ C = z
and determine the value of x ⊕ y ⊕ z
(A) A
(B) B
(C) C
(D) 0
Answer: (C)
Explanation: A ⊕ C = A ⊕ A ⊕ B = B = x
B ⊕ C = B ⊕ A ⊕ B = A = y
A ⊕ B ⊕ C = C ⊕ C = 0 = z
x ⊕ y ⊕ z
B ⊕ A ⊕ 0 = C ⊕ 0 = C
So, option (C) is correct.
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