Advanced Placement (AP) Computer Science

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What does the AND Boolean operator require for the overall expression to evaluate as true?

At least one true value
Both values must be true
None of the values can be false
At least one value must be false

The correct answer is: Both values must be true

The AND Boolean operator requires that both values involved in the expression must be true for the overall expression to evaluate as true. This means that if any one of the values is false, the result of the entire expression will also be false. Therefore, the only scenario where an expression using the AND operator yields a true result is when both operands (or conditions) provide true values. In terms of logical operation, this aligns perfectly with the truth table for the AND operator, which confirms that it outputs true only when all individual conditions are true. Understanding this operator is critical, especially in programming and logical reasoning, as it helps to establish conditions under which certain actions should take place or certain branches of code should run.