True or False: A function returns a value, whereas a subroutine (void method) cannot return a value via the return keyword.

Introduction / Context:
This statement distinguishes between a function (which returns a value) and a subroutine (a void method in C#) that does not return a value using the return keyword.

Given Data / Assumptions:

• Function: non-void return type.
• Subroutine: void return type.

Concept / Approach:
In C#, a method with a non-void return type must return a value compatible with its signature. A void method cannot use return with a value. Nonetheless, a void method may still communicate results via ref/out parameters, which does not contradict the statement about the return keyword.

Step-by-Step Solution:

Verification / Alternative check:
Check compiler rules: returning a value from a void method is illegal.

Why Other Options Are Wrong:

• False: Would imply void methods can return values via return, which is incorrect.

Common Pitfalls:
Confusing ref/out outputs with the return value itself.

Final Answer:
True