Tests of characteristics associated with PUIDs are made in a form or mathematical logic known as a Boolean expression (after George Boole who invented it). A Boolean expression combines ...

A search for data that meets several criteria by using the Boolean operators AND, OR and NOT (see Boolean logic). For example, the request: "Search for all Spanish and French speaking employees who ...

As seen in earlier articles, the only two possible states of information for digital electronics are true and false. Be it an electric current, a numeric datum, or a variable of any kind, the system’s ...