Deck 12: Event Driven Gui Programming Multithreading and Animation

Question 1

Many object-oriented languages offer built-in classes that contain methods you can use to draw geometric figures.

Answer 1

True

Question 2

Operating system software allows you to use a mouse or other pointing device to select pictures, or ____, on the screen.

A) targets
B) icons
C) windows
D) menus

Answer 2

B

Question 3

Computer users can expect to see a standard interface in the GUI programs they use.

Answer 3

True

Question 4

A(n) ____ consists of a label placed beside a small square.

A) option button
B) button
C) check box
D) text box

Question 5

GUI programs are frequently called action-controlled because actions occur in response to user-initiated events such as clicking a mouse button.

Question 6

Performing an operation on an icon causes a(n) ____.

A) instance
B) message
C) event
D) interface

Question 7

GUI components are excellent examples of the best principles of object-oriented programming; they represent objects with attributes and methods that operate like ____.

A) trap doors
B) black boxes
C) a procedural function
D) a while loop

Question 8

With a single CPU, multiple threads execute simultaneously.

Question 9

An important advantage of using GUI data-entry objects is that you often can control what users enter by limiting their options.

Question 10

From the 1950s, when businesses began to use computers to help them perform many jobs, through the 1980s, almost all interactive dialogues between people and computers took place at the ____.

A) command prompt
B) graphical window
C) menu
D) system interface

Question 11

When you program in a language that uses GUI components, you need to create them from scratch.

Question 12

A ____ is a rectangular object you can click; when you do, its appearance usually changes to look pressed.

A) label
B) button
C) check box
D) text box

Question 13

In object-oriented languages, the procedural modules that depend on user-initiated events are often called ____.

A) scripts
B) blocks
C) handlers
D) windows

Question 14

A ____ is a rectangular area into which the user can type text.

A) label
B) button
C) check box
D) text box

Question 15

A GUI picture album represents "snapshot" views of the screens the user will encounter during the run of a program.

Question 16

The ____ is the location on your computer screen at which you type entries to communicate with the computer's operating system.

A) GUI
B) IDE
C) system terminal
D) command line

Question 17

Within an event-driven program, a component from which an event is generated is the ____.

A) target of the event
B) source of the event
C) interface of the event
D) message handler

Question 18

In object-oriented languages, the procedural modules that depend on user-initiated events are often called applets.

Question 19

In an event-driven program, you design the screens, define the objects, and define how the screens will connect.

Question 20

Multithreaded programs often run faster and they are more user-friendly.

Question 21

The ____ contains methods that allow you to set physical properties such as height and width, as well as methods that allow you to add the appropriate components to a container.

A) attributes class
B) container dictionary
C) containment class
D) container class

Question 22

People who use the Disk Operating System (DOS) also call the command line the ____________________.

Question 23

A ____ represents a picture or sketch of a screen the user will see when running a program.

A) framework
B) page frame
C) wireframe
D) sketch-up

Question 24

____ is the rapid sequence of still images, each slightly different from the previous one, that produces the illusion of movement.

A) Screening
B) Animation
C) Filmation
D) Stop motion

Question 25

A ____________________ contains a series of wireframes that represent a user's experience with proposed software.

Question 26

Making programs easier to use for people with physical limitations is known as enhancing ____.

A) usability
B) accessibility
C) interface
D) compliance

Question 27

A(n) ____ shows the relationship between screens in an interactive GUI program.

A) entity diagram
B) data flow diagram
C) use case diagram
D) interactivity diagram

Question 28

Cartoonists create animated films by drawing a sequence of ____ or cells.

A) frames
B) blocks
C) pictures
D) targets

Question 29

A ____ is one of the tiny dots of light that form a grid on your screen.

A) point
B) texel
C) textile
D) pixel

Question 30

A(n) ____________________ is a list of the objects used in a program, including which screens they are used on and whether any code, or script, is associated with them.

Question 31

When you develop an event-driven application, you need to expand on the ____ step in the program development cycle.

A) understanding the problem
B) planning the logic
C) coding the program
D) testing the program

Question 32

With most OOP languages, you must ____ components, or sign them up so that they can react to events initiated by other components.

A) register
B) activate
C) instantiate
D) create

Question 33

With a(n) ____ program, a user can continue to click buttons while your program is reading a data file.

A) single threaded
B) parallel threaded
C) independently threaded
D) multithreaded

Question 34

In most object-oriented languages, a method named ____________________ executes automatically when a class object is created.

Question 35

A(n) ____ is a list of the objects used in a program, including which screens they are used on and whether any code is associated with them.

A) object dictionary
B) object index
C) GUI dictionary
D) interface dictionary

Question 36

Using multiple threads of execution is known as ____.

A) binding
B) racing
C) multithreading
D) multipathing

Question 37

When you use a menu bar, it is at the top of the screen in most GUI programs, and the first menu item is almost always ____.

A) Edit
B) File
C) Home
D) Help

Question 38

GUI programmers sometimes refer to screen space as ____.

A) canvas
B) interface
C) real estate
D) territory

Question 39

You should make sure that unavailable screen options are either dimmed (also called ____) or removed.

A) grayed
B) hidden
C) suppressed
D) blanked

Question 40

An object that is "interested in" an event to which you want it to respond is a(n) ____________________.

Question 42

Describe a thread.

Question 43

Discuss the purpose of a wireframe.

Question 44

Discuss multithreading.

Question 45

List the general design principles used when creating a program that will use a GUI.

Question 46

Describe the container class.

Question 47

Explain why your program should be forgiving.

Question 48

Discuss using the integrated development environment to create applications.

Question 49

Discuss the purpose of a storyboard.

Question 50

List the two types of statements that you must write when an object should listen for events.

Question 51

List the events in developing an event-driven program.