APFIVE Compound Boolean Expression Evaluation
Let x and y be boolean variables. Which statement best describes the result of evaluating the following expression?
(!x || y) && (x || !y)
A
The expression always evaluates to the same value as x.
B
The expression evaluates to true only if x and y are both true or both false.
C
The expression always evaluates to the same value as y.
D
The expression always evaluates to true.
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