The concept originates from mathematician George Boole, who in the 19th century developed an algebraic system of logic using only two values: true and false. In computer science, this binary way of ...

Global growth is projected at –4.9 percent in 2020, 1.9 percentage points below the April 2020 World Economic Outlook (WEO) forecast. The COVID-19 pandemic has had a more negative impact on activity ...