Answer the following statements true (T) or false (F)
1. One negative of polymorphism is that it’s complicated, so it makes it difficult to extend
systems with new capabilities.
2. A base class may have only one derived class.
3. All classes in Visual Basic have Object as either a direct or indirect base class.
4. A base class's constructors are inherited into its derived classes.
5. The first task of any base class’s constructor is to call its derived class’s constructor.
1.False. Polymorphism simplifies programming with classes and makes it easy to extend systems with new capabilities.
2. False. A base class may have many derived classes.
3. True.
4. False. Constructors are never inherited—they are specific to the class in which they are declared.
5. False. The first task of any derived class’s constructor is to call its base class’s constructor.
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The document with the information that does not change is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
By what percentage can lossless compression reduce image file size?
a. 15% b. 25% c. 30% d. 50%
Answer the following statement(s) true (T) or false (F)
1. Panels can be collapsed to icons. 2. If you decide that you want to restore the default Photoshop Preferences, you have to go back to the individual Preferences panels and undo each change individually. 3. The Essentials workspace includes two collapsed panels. 4. You have to work with the default panels provided in a workspace.
User IDs are also called user names, log on names, or sign in names.
Answer the following statement true (T) or false (F)