Quiz

1. What is the difference between variable scope and lifetime?

2. Must a function other than main be prototyped?

3. Is a function required to have at least one argument?

4. Can a function have more than one argument?

5. What is the effect on a variable in main if it is passed by value to another function which changes the argument corresponding to that variable?

6. What is the effect on a variable in main if it is passed by reference to another function which changes the argument corresponding to that variable?

7. Must a function have a return value?

8. Can a function have more than one return value?

9. May a function have neither a return value nor any arguments?

10. May a function have both a return value and arguments?