boolean expression
nounUK /ˈbuːliən ɪkˈspreʃən/
US /ˈbuliən ɪkˈspreʃən/
A boolean expression is a question a computer answers with just yes or no.
The boolean expression 'is the light on?' is true when the switch is up.
OTHER MEANINGS
2. In programming, a statement that evaluates to either true or false and is used in if-statements and loops.
The loop runs while the boolean expression i < 10 stays true.
3. In mathematics and logic, a formula built from variables and logical operators like AND, OR, and NOT.
A AND (NOT B) is a boolean expression that is false when A is false.
4. In digital circuits, a way to describe how logic gates combine input signals.
Engineers simplify the boolean expression to use fewer gates on the chip.