Vomiting (throwing up) and diarrhea (watery stools or poop!) are often caused by a virus (a kind of germ). Although there is no medicine to cure these infections, your childâs body will get rid of the virus in a week or 10 days.
Boolean expression-Computer Definition. A statement using Boolean operators that expresses a condition that is either true or false. See Boolean search. 1  Link/Cite. 2  Home. 3  Dictionary Definitions.
A form of symbolic logic, in which variables, which stand for propositions, have only the values true (or 1) and false (or 0). Relationships between these values are expressed by the Boolean operators AND, OR, and NOT. Boolean algebra in Technology Expand. logic.