Boolean Expressions - AP Computer Science A
Card 1 of 30
Evaluate: !(false && true).
Evaluate: !(false && true).
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true. NOT inverts the false result of AND to true.
true. NOT inverts the false result of AND to true.
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Evaluate the logic: !true && true.
Evaluate the logic: !true && true.
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false. NOT true is false, AND with true gives false.
false. NOT true is false, AND with true gives false.
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What is the result of true || false && false?
What is the result of true || false && false?
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true. AND has higher precedence than OR.
true. AND has higher precedence than OR.
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What is a compound Boolean expression?
What is a compound Boolean expression?
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An expression using multiple Boolean operators. Combines multiple boolean operations together.
An expression using multiple Boolean operators. Combines multiple boolean operations together.
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Identify the result of !(false || true).
Identify the result of !(false || true).
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false. NOT inverts the true result of OR to false.
false. NOT inverts the true result of OR to false.
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What is the result of !false && true?
What is the result of !false && true?
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true. NOT false is true, AND with true gives true.
true. NOT false is true, AND with true gives true.
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Evaluate: true || (false && true).
Evaluate: true || (false && true).
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true. OR short-circuits when first operand is true.
true. OR short-circuits when first operand is true.
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What is a short-circuit evaluation in Booleans?
What is a short-circuit evaluation in Booleans?
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Evaluation stops as soon as result is determined. Prevents unnecessary computation for efficiency.
Evaluation stops as soon as result is determined. Prevents unnecessary computation for efficiency.
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What does the expression (false && !false) evaluate to?
What does the expression (false && !false) evaluate to?
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false. AND with false always produces false.
false. AND with false always produces false.
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What is the value of !true && !false?
What is the value of !true && !false?
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false. NOT true is false, NOT false is true, AND gives false.
false. NOT true is false, NOT false is true, AND gives false.
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Find the result of !(false || false).
Find the result of !(false || false).
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true. NOT inverts the false result of OR to true.
true. NOT inverts the false result of OR to true.
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Evaluate the expression: true && (false || true).
Evaluate the expression: true && (false || true).
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true. Parentheses force OR evaluation before AND.
true. Parentheses force OR evaluation before AND.
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What is the result of !false || false?
What is the result of !false || false?
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true. NOT false is true, then OR with false gives true.
true. NOT false is true, then OR with false gives true.
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What does the && operator do?
What does the && operator do?
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Returns true if both operands are true. Logical conjunction requires both conditions.
Returns true if both operands are true. Logical conjunction requires both conditions.
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What does the || operator do?
What does the || operator do?
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Returns true if either operand is true. Inclusive OR operation for logical disjunction.
Returns true if either operand is true. Inclusive OR operation for logical disjunction.
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What is the result of false && false?
What is the result of false && false?
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false. AND requires both operands to be true.
false. AND requires both operands to be true.
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Find the result of true || true && false.
Find the result of true || true && false.
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true. AND has higher precedence than OR.
true. AND has higher precedence than OR.
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Evaluate the expression: !(true || false).
Evaluate the expression: !(true || false).
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false. NOT inverts the true result of OR to false.
false. NOT inverts the true result of OR to false.
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What is the result of true || false?
What is the result of true || false?
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true. OR returns true when at least one operand is true.
true. OR returns true when at least one operand is true.
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What is a Boolean expression?
What is a Boolean expression?
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An expression that evaluates to true or false. Boolean data type has only two possible values.
An expression that evaluates to true or false. Boolean data type has only two possible values.
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What is the result of !(true && false)?
What is the result of !(true && false)?
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true. NOT inverts the false result of AND to true.
true. NOT inverts the false result of AND to true.
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What is a truth table?
What is a truth table?
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A table showing all possible truth values of a Boolean expression. Lists all input combinations and their outputs.
A table showing all possible truth values of a Boolean expression. Lists all input combinations and their outputs.
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What is the result of true && false?
What is the result of true && false?
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false. AND requires both operands to be true.
false. AND requires both operands to be true.
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Evaluate the expression: !(true && false) || false.
Evaluate the expression: !(true && false) || false.
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true. NOT inverts false to true, OR with false stays true.
true. NOT inverts false to true, OR with false stays true.
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Identify the result of true && (true || false).
Identify the result of true && (true || false).
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true. Parentheses force OR evaluation before AND.
true. Parentheses force OR evaluation before AND.
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What is the result of !(true || true)?
What is the result of !(true || true)?
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false. NOT inverts the true result of OR to false.
false. NOT inverts the true result of OR to false.
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Evaluate: !(false || false) && true.
Evaluate: !(false || false) && true.
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true. Parentheses force NOT evaluation before AND.
true. Parentheses force NOT evaluation before AND.
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What is the value of false && true || true?
What is the value of false && true || true?
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true. OR has lower precedence than AND.
true. OR has lower precedence than AND.
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What is the result of !(true && true)?
What is the result of !(true && true)?
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false. NOT inverts the true result of AND to false.
false. NOT inverts the true result of AND to false.
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What does the || operator do?
What does the || operator do?
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Returns true if either operand is true. Inclusive OR operation for logical disjunction.
Returns true if either operand is true. Inclusive OR operation for logical disjunction.
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