When a function needs access to an original argument passed to it, for example in order to change its value, the argument needs to be
A) passed by value.
B) passed into a reference parameter.
C) a static variable.
D) an integer.
E) a constant.

Question

Quizplus · Accepted Answer

When an argument is passed into a reference parameter, the function receives a reference to the original argument, rather than a copy of its value. This allows the function to directly modify the original argument.

When a Function Needs Access to an Original Argument Passed