Principles Of Object Oriented Design Chapter 9

Front 1

It is often helpful to allow users to ____. Select one:

Back 1

revert to default settings

Front 2

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

Back 2

pixel

Front 3

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

Back 3

coordinate

Front 4

GUI components are often referred to as ____.Select one:

Back 4

widgets

Front 5

n 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. Select one:

Back 5

True

Front 6

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

Back 6

accessibility

Front 7

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

Back 7

predictable

Front 8

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

Back 8

False

Front 9

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

Back 9

attractive

Front 10

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

Back 10

thread

Front 11

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

Select one:

Back 11

False

Front 12

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

Back 12

interactivity diagram

Front 13

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

Back 13

container

Front 14

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

Back 14

False

Front 15

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

Back 15

starvation

Front 16

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

Select one:

Back 16

True

Front 17

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

Back 17

event

Front 18

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

Back 18

False

Front 19

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

Select one:

Back 19

True

Front 20

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

Select one:

Back 20

x-axis

Front 21

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

Back 21

one

Front 22

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. Select one:

Back 22

object dictionary

Front 23

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

Back 23

listener

Front 24

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

Select one:

Back 24

storyboard

Front 25

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

Select one:

Back 25

True

Front 26

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

Back 26

source

Front 27

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. Select one:

Back 27

True

Front 28

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

Back 28

command prompt

Front 29

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

Select one:

Back 29

operating system

Front 30

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

Back 30

icons

Front 31

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

Back 31

True

Front 32

You use ____ to improve the performance of your programs. Select one:

Back 32

multithreading

Front 33

GUI programmers sometimes refer to screen space as ____. Select one:

Back 33

real estate

Front 34

You create computer animation using a sequence of ____. Select one:

Back 34

images