A 3-pin power supply connector is used for the motherboard _____

The ______ file is a text file that specifies configuration information for a specific user for most of the Developer utilities, including Forms Builder and Reports Builder.

Fill in the blank(s) with the appropriate word(s).

The line:

virtual double earnings() const = 0; appears in a class definition. You cannot deduce that: a. All classes that directly inherit from this class will override this method. b. This class is an abstract class. c. Any concrete class derived from this class will have an earnings function. d. This class will probably be used as a base class for other classes.