The process of tracking down bugs and correcting them is called ______.?

The =________(serial_number) function displays the day within a given month for a date or its serial number

Fill in the blank(s) with correct word

When you derive a class from an existing class, you

A) can add new data, but cannot add new functions. B) can add new functions, but cannot add new data. C) can add both new data and new functions. D) must add both new data and new functions. E) None of the above