Deck 9: Event-Driven Programming With Graphical User Interfaces

Question 1

When creating a program that will use a GUI, the interface should be natural and predictable.

Answer 1

True

Question 2

For today's computer users, operating system software allows use of a mouse to select pictures, or ____ on the screen.

A)systems
C)selectors
B)prompts
D)icons

Answer 2

D

Question 3

With procedure-driven programs, the user might initiate any number of events in any order.

Answer 3

False

Question 4

From the 1950s through the 1980s, almost all interactive dialogues between people and computers took place at the ____.

A)operating prompt
C)operating line
B)command prompt
D)direction line

Question 5

Computer users today typically learn new commands for each GUI interface they use.

Question 6

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

Question 7

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

A)element
C)pixel
B)screen dot
D)pix

Question 8

When you program in a language that supports event-driven logic, you must create the GUI components you need from scratch.

Question 9

A single CPU can perform two tasks in the same instant.

Question 10

A button that a user can click to cause some action is an example of a source.

Question 11

When you program with event-driven languages, the emphasis is on the objects that the user can manipulate, such as buttons and menus, and on the events that the user can initiate with those objects, such as clicking or double-clicking.

Question 12

In the early days of computing, interacting with a computer operating system was difficult because the user had to know the exact syntax to use when typing commands, and had to spell and type those commands accurately.

Question 13

In a(n) ____ program, each step occurs in the order the programmer determines.

A)procedural
C)ordered
B)step-wise
D)planned

Question 14

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

A)action
C)opening
B)start
D)source

Question 15

A good GUI design practice is to make sure that unavailable options are dimmed or removed.

Question 16

Performing an operation on an icon causes a(n) ____, which is an occurrence that generates a message sent to an object.

A)operation
C)trigger
B)event
D)incident

Question 17

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

A)looker
C)watcher
B)listener
D)interest object

Question 18

GUI components are often referred to as ____.

A)widgets
C)nodes
B)gadgets
D)objects

Question 19

When writing a GUI, it is important to make the interface ____.

A)fancy
C)exciting
B)animated
D)predictable

Question 20

The computer's ____ is the software that you use to run a computer and manage its resources.

A)command system
C)operating command
B)graphical system
D)operating system

Question 21

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

Question 22

You create computer animation using a sequence of ____.

A)screens
C)procedures
B)images
D)nodes

Question 23

It is often helpful to allow users to ____.

A)revert to default settings
C)dim unknown menu items
B)name constants
D)manually fix deadlocks

Question 24

Any component you place on the screen has a horizontal, or ____, position.

A)x-axis
C)z-axis
B)y-axis
D)h-axis

Question 25

A ____ class contains methods that allow you to set physical properties, such as height and width.

A)container
C)property
B)method
D)size

Question 26

A ____ is the flow of execution of one set of program statements.

A)strand
C)fiber
B)thread
D)filament

Question 27

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

Question 28

____________________ are pictures on the screen that can be selected by a mouse or other pointing device.

Question 29

You place figures on a graphical screen based on a graphing ____ system.

A)spatial
C)coordinate
B)plane
D)placement

Question 30

You use ____ to improve the performance of your programs.

A)icons
C)interfaces
B)multithreading
D)object dictionaries

Question 31

GUI programmers sometimes refer to screen space as ____.

A)landscape
C)screen space
B)screen estate
D)real estate

Question 32

An example of a code error that can occur in multithreading is ____.

A)starvation
C)task elimination
B)thread shifting
D)looping

Question 33

If your interface is ____, people are more likely to use it.

A)plain
C)dimmed
B)attractive
D)full of various fonts and colors

Question 34

The screen design issues that make programs easier to use for people with physical limitations are known as ____ issues.

A)ergonomic
C)accessibility
B)convenience
D)user-friendly

Question 35

When a computer contains a single central processing unit (CPU), it can execute ____ computer instruction(s) at a time.

A)one
C)parallel
B)two
D)a variable number of

Question 36

In a(n) ____________________ program, each step occurs in the order the programmer determines.

Question 37

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

A)storyboard
C)snapshot
B)screenboard
D)clip

Question 38

For the programmer, ____________________ programs require considerations other than the typical procedural logic.

Question 39

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

A)relationship diagram
C)interactivity diagram
B)relationship plan
D)interaction plan

Question 40

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.

A)program dictionary
C)script dictionary
B)object dictionary
D)code dictionary

Question 41

A(n) ____________________ is the flow of execution from one set of program statements.

Question 42

Using multiple threads of execution is known as ____________________.

Question 43

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

Question 44

When two or more threads wait for each other to execute, the situation that occurs is called a(n) ____________________.

Question 45

When you use GUI components that are already created, you ____________________ objects, each of which belongs to a prewritten class.

Question 46

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

Question 47

The rapid sequence of still images that produce the illusion of movement is known as ____________________.

Question 48

In graphical programming, the ____________________ value increases as you travel from top to bottom.

Question 49

A(n) ____________________ represents a picture or sketch of a screen the user will see when running a program.

Question 50

A(n) ____________________ is a tiny dot of light that, when taken together, form a grid on your screen to create images.