Question

When used as parameters, these types of variables allow a function to access the parameter's original argument: A) floating-point B) counter C) undeclared D) reference E)

Answer 1

When used as parameters, reference types of variables allow a function to access the parameter's original argument.

What is a parameter?

A parameter is something that is used in the definition of a function. It has no real significance because it is only a placeholder. An argument is a value supplied when invoking a function. In a way, arguments fill the space that the parameters originally held.

The arguments passed to a function call are the actual arguments. These arguments are specified by the caller function. These are the variables or expressions that the argument list of a subprogram call references.

A parameter is used to describe the entire population being studied. For instance, we're curious to know what a butterfly typically weighs. This data on the butterfly population as a whole qualifies it as a parameter.

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