Boolean operators and truth tables Computers use electrical circuits which have two states – on or off. This can also be represented as 1 or 0 or True and False.

Just when you thought you had Boolean logic in the bag, Excel 2013 introduced the new operator XOR, which means Exclusive OR. Think of it as a similar opposite of NOT: If one condition is true and ...

This is why it’s important to understand and master these search operators. Why It’s Called Boolean. Boolean refers to George Boole, a 19th-century mathematician who invented Boolean logic.

Boolean operators and truth tables Computers use electrical circuits which have two states – on or off. This can also be represented as 1 or 0 or True and False.