________ software is used to create, edit, and format text-based documents

You can change the height or width of an object and have the other dimension automatically adjust to maintain the proportion with the _________ option

Fill in the blank(s) with correct word

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

1. Attempting to instantiate an object of an abstract class is a logic error. 2. All objects of a class are guaranteed to provide the functionality described by any interface that the class implements. 3. An interface describes a set of methods that can be called on an object and it provides concrete implementations for the methods. 4. Objects of unrelated classes that implement the same interface can respond to the method calls of that interface polymorphically. 5. If a class leaves one method in an interface undeclared, the class is implicitly declared by Visual Basic as a MustInherit class.