a delayed action computer virus; a set of instructions surreptitously inserted into a program that are designed to execute (or `explode'') if a particular condition is satisfied; when exploded it may delete or corrupt data, or print a spurious message, or
a set of instructions inserted into a program that are designed to execute (or `explode') if a particular condition is satisfied; when exploded it may delete or corrupt data, or print a spurious message, or have other harmful effects