One of the reasons for using a combo box on an Access form is that it provides a more compact way to present a list of choices

The BIOS/UEFI can be used to repair operating system files

Indicate whether the statement is true or false

Assigning a derived class reference to a base class variable is safe:

a. because the derived class has an object of its base class. b. because the derived class is an object of its base class. c. only when the base class is abstract. d. only when the base class is concrete.