When using ____, you can develop new classes more quickly by extending existing classes that already work.

Which is not a valid function call?

a. ``` count = parseInt(num); ``` b. ``` document.write(getNum()); ``` c. ``` getNum(num) = 16; ``` d. ``` getNum(); ```

Each storage device, or folder, is a physical location for storing files.

Answer the following statement true (T) or false (F)