Which symbol represents the logical NOT operator?

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Prepare for the CodeHS AP Computer Science Principles Exam with multiple choice questions, detailed explanations, and helpful hints. Boost your confidence and get ready for your exam!

Multiple Choice

Which symbol represents the logical NOT operator?

Explanation:
Logical negation flips the truth value of a boolean expression. The symbol most commonly used to express this operation is the exclamation mark. It inverts true to false and false to true. The other options are either words or a different kind of operation: "not" is a keyword in some languages, "~" is a bitwise NOT that operates on bits rather than booleans, and "NOT" is just a uppercase word, not a symbol. So the exclamation mark is the correct symbol for logical NOT.

Logical negation flips the truth value of a boolean expression. The symbol most commonly used to express this operation is the exclamation mark. It inverts true to false and false to true. The other options are either words or a different kind of operation: "not" is a keyword in some languages, "~" is a bitwise NOT that operates on bits rather than booleans, and "NOT" is just a uppercase word, not a symbol. So the exclamation mark is the correct symbol for logical NOT.

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