Deck 2: Introduction to Visual C#

Question 1

Programmers commonly use ____________ in their code to create a sense of visual organization.

A) different font colors
B) documentation comments
C) blank lines and indentation
D) bold images, such as photos

Answer 1

C

Question 2

The ____________ shows a description of the error, the name of the source code file containing the error, the error's line number and column number, and the name of the project.

A) Debug dialog box
B) Crash pop up
C) Error List window
D) Just In Time debugger

Answer 2

C

Question 3

The ____________ file contains an application's start-up code, which executes when the application runs.

A) Main.cs
B) Code.cs
C) Program.cs
D) Source.cs

Answer 3

C

Question 4

Which one of the following Button control names is a legal C# identifier?

A) _DisplayOption5Button
B) Exit!Button
C) *Clear*Button*
D) delete Record Button

Question 5

The ____________ naming convention gets its name because the uppercase characters that appear in a name are sometimes reminiscent of a camel's humps.

A) camelCase
B) Pascal
C) Hungarian notation
D) CaMeL style

Question 6

A ____________ is a small pop-up window, also known as a dialog box, that displays a message.

A) standard window
B) pop up
C) banner
D) message box

Question 7

A ____________ is a declared block in a program between braces {…} that holds classes.

A) method
B) program
C) namespace
D) list

Question 8

A(n) ____________ event occurs on a control when the user clicks the mouse on a control while the program is running.

A) Action
B) Click
C) Live
D) Mouse

Question 9

An easy way to switch between the Designer and the code editor is to click the ____________ for the desired window. This only works if both the code file and designer file have already been opened.

A) icon
B) tab
C) button
D) bounding box

Question 10

When learning computer programming, it is traditional to start by learning to write a ____________ program.

A) Simple
B) Hello World
C) Pseudocode
D) K&R Style

Question 11

A(n) ____________ is a logical container in a program that holds methods (as well as other program elements).

A) event
B) namespace
C) queue
D) class

Question 12

Which one of the following Button control names is not a legal C# identifier?

A) _calculateTotalButton
B) printSalesReportButton
C) clear_customer_names_button
D) 1stPlayerStartButton

Question 13

When you enter a statement into the code editor, Visual Studio analyzes it, and if a syntax error is found, it is ____________.

A) automatically corrected
B) underlined with a jagged line
C) crossed out
D) highlighted

Question 14

To close an application's form in code, you use the statement ____________.

A) me.Quit();
B) this.Close();
C) form.Exit();
D) app.Stop();

Question 15

The PictureBox control's ____________ property determines whether the image stored in the control will cause the control to be shrunk or expanded.

A) DisplayMode
B) Visible
C) SizeMode
D) Render

Question 16

The file named ____________ contains code associated with a form named Form1.

A) Form1.cs
B) MainForm.cs
C) Control.cs
D) Window.cs

Question 17

A(n) ____________ is a method that executes when a specific event (such as clicking the mouse) takes place while an application is running.

A) action sequencer
B) feature coordinator
C) event handler
D) incident manager

Question 18

The ____________ directives appearing at the top of a C# source code file indicate which namespaces the program will use. Usually, these namespaces belong to the .NET Framework.

A) include
B) namespace
C) public
D) using

Question 19

A(n) ____________ is a sequence of one or more programming statements (code) that performs some operation.

A) algorithm
B) method
C) class
D) namespace

Question 20

Code containers, such as namespaces, classes, and methods, use ____________ to enclose code.

A) braces ({})
B) asterisks (**)
C) parentheses (())
D) brackets ([])

Question 21

When a(n) ____________ appears around an object in the Visual Studio Designer, it indicates that the object is selected and is ready for editing.

A) sizing handle
B) editing icon
C) bounding box
D) frame

Question 22

A control's ____________ property identifies the control in the application's code and in the Visual Studio environment.

A) Text
B) Source
C) Tag
D) Name

Question 23

Which one of the following statements correctly display the text "Hello" in a message box?

A) Messagebox("Hello")
B) MessageBox.Show("Hello");
C) msgbox(Hello);
D) msgbox.show(Hello)

Question 24

In C# code, ____________ are required to indicate the beginning and the end of a string.

A) single quotation marks, such as (')
B) double quotation marks, such as (")
C) parentheses
D) semicolons

Question 25

A file that contains program code is called a ____________.

A) source code file
B) program file
C) C# file
D) cs file

Question 26

Selecting the ____________ button in the Properties window causes the items in the window to be displayed in logical groups.

A) Grouped
B) Categorized
C) Ordered
D) Type

Question 27

The ____________ property can be used to change a form's width and height, measured in pixels.

A) Area
B) Resolution
C) Size
D) Rectangle

Question 28

The Visual Studio ____________ window shows a scrollable list of controls that you can add to a form.

A) Collection
B) Bank
C) Toolbox
D) Shelf

Question 29

____________ allow you to resize a selected object in the Visual Studio Designer by clicking and dragging the mouse when the mouse cursor becomes a two-headed arrow.

A) Bounding boxes
B) Sizing handles
C) ToolTips
D) Properties

Question 30

To delete a control, you can select it on a form and then press the ____________ key on the keyboard.

A) Delete
B) Z
C) Tab
D) X

Question 31

If you want your code to execute a method, write a statement known as a(n) ____________.

A) event handler
B) executor statement
C) initialization routine
D) method call

Question 32

Just as a period marks the end of a sentence, a ____________ marks the end of a programming statement in C#.

A) space
B) underscore
C) semicolon
D) period

Question 33

In programming we use the term ____________ to mean a sequence of characters that could be enclosed in quotation marks "…".

A) statement
B) thread
C) word
D) string

Question 34

A Button control has a ____________ property that holds a string to be displayed on the face of the button.

A) Text
B) Name
C) Description
D) Face

Question 35

When selected in the Properties window toolbar, the ____________ button causes the items in the Properties window to be displayed in alphabetical order.

A) Arrange
B) Ascending
C) Descending
D) Alphabetical

Question 36

To run an application in Visual Studio, press the ____________ button on the keyboard or click the Start Debugging button on the toolbar.

A) Enter
B) F5
C) Tab
D) Shift

Question 37

In the design window, you can click and drag a control to a new location when the mouse cursor is positioned inside the control and the mouse cursor becomes a ____________.

A) two-headed arrow
B) four-headed arrow
C) hand icon
D) scissor icon

Question 38

The ____________ property of a form determines the text that is displayed in a form's title bar.

A) Title
B) Caption
C) Name
D) Text

Question 39

When you select an object in the Visual Studio Designer, the object's size, color, text, and other characteristics are displayed in the ____________ window.

A) Designer
B) Editing
C) Object
D) Properties

Question 40

Control names are also known as ____________, the same term used for variables in programs.

A) tags
B) identifiers
C) values
D) labels

Question 41

The Label control can be found in the ____________ group of the Toolbox.

A) Common Controls
B) Containers
C) Data
D) Components

Question 42

When a piece of data such as 23 or "Hello" is written into a program's code, it is called a ____________.

A) constant
B) sentinel
C) value
D) literal

Question 43

Each Label control has a ____________ property that allows you to display a rectangle around the control's text.

A) Border
B) FrameStyle
C) Frame
D) BorderStyle

Question 44

In code, you use a(n) ____________ to store a value in a control's property.

A) string literal
B) assignment statement
C) dialog box
D) constant

Question 45

Label controls have a(n) ____________ property that affects the way they can be resized.

A) Resize
B) AutoSize
C) SizeMode
D) Redraw

Question 46

In C#, the equal sign (=) is known as the ____________.

A) equality operator
B) parity operator
C) assignment operator
D) transfer operator

Question 47

When you have a project open in Visual Studio, the time during which you build the GUI and write the application's code is referred to as ____________.

A) prototyping
B) design time
C) visual planning
D) application progression

Question 48

A ____________ property can be set to one of two possible values:

A) Boolean
B) Binary
C) Singular
D) Toggle

Question 49

Which of the following statements would display the number 25 in a Label control named ouputLabel?

A) outputLabel.Text = 25;
B) outputLabel.Text = "25";
C) outputLabel(25);
D) outputLabel = "25";

Question 50

The ____________ can be accessed from the Properties window by clicking the ellipses (…) appearing next to the Font property's value.

A) Text designer
B) Font dialog box
C) Text editor
D) Font selector

Question 51

____________ is a feature of Visual Studio that provides automatic code completion as you write programming statements.

A) IntelliSense
B) AutoComplete
C) Snippet
D) CodeHelper

Question 52

The ____________ property allows you to set the font, font style, and size of a control's text.

A) Appearance
B) Text
C) Font
D) Graphics

Question 53

You can use a(n) ____________ control to display a graphic image on a form.

A) Image
B) Graphics
C) Texture2D
D) PictureBox

Question 54

When you want to display text on a form but not allow the user to change the text, you use a ____________.

A) String control
B) Label control
C) Text control
D) Font control

Question 55

Which of the following statements would clear the text displayed in a Label control named cityLabel?

A) cityLabel.Text = "empty";
B) cityLabel.Text = "none";
C) cityLabel.Text = "clear";
D) cityLabel.Text = "";

Question 56

A Label control's ____________ property can be used to change the alignment of text within the Label.

A) TextPosition
B) DisplayFont
C) TextAlign
D) HorizontalAlign

Question 57

The standard notation for referring to a control's property in code is:

A) ControlName.PropertyName
B) ControlName->PropertyName
C) ControlName::PropertyName
D) ControlName

Question 58

Which one of the following is not a valid setting for a Label control's BorderStyle property?

A) FixedSingle
B) None
C) Fixed3D
D) FixedDouble

Question 59

The time during which an application is executing is referred to as ____________.

A) up time
B) execution
C) run time
D) instancing

Question 60

When a string is written into a program's code, it is called a(n) ____________.

A) string literal
B) typed string
C) encoded string
D) string constant

Question 61

When you write the values true or false in code, they must be written in all lowercase letters.

Question 62

Once you have created a PictureBox control, you use its ____________ property to specify the image it will display.

A) Picture
B) Image
C) Source
D) Display

Question 63

____________ are used by professional programmers to embed extensive documentation in a program' source code.

A) Line comments
B) Block comments
C) Documentation comments
D) Embedded comments

Question 64

____________ is a term that refers to an image's width to height ratio.

A) Area
B) Bounding box
C) Aspect ratio
D) UV map

Question 65

____________ is the default value of the PictureBox control's SizeMode property.

A) AutoSize
B) Normal
C) Zoom
D) StretchImage

Question 66

The indentation of statements inside methods, classes, and namespaces is a convention that virtually all programmers follow.

Question 67

A line comment does not have to occupy an entire line, so a line comment can appear after an executable statement.

Question 68

When a PictureBox control's SizeMode property is set to ____________, the image is uniformly resized to fit the PictureBox without losing its original aspect ratio.

A) Normal
B) Zoom
C) CenterImage
D) StretchImage

Question 69

When a method executes, the statements in the method always execute in the order that they appear, from the beginning of the method to the end of the method.

Question 70

Assuming an application has a PictureBox control named profilePictureBox, which one of the following assignment statements will hide the PictureBox from the user at run time?

A) profilePictureBox.Visible = False;
B) profilePictureBox.Visible = false;
C) profilePictureBox.Invisible = True;
D) profilePictureBox.Invisible = true;

Question 71

Comments are short notes intended for the compiler to read and interpret.

Question 72

A(n) ____________ can occupy multiple consecutive lines in a program. It starts with /* (a forward slash followed by an asterisk), and ends with */ (an asterisk followed by a forward slash).

A) line comment
B) block comment
C) short comment
D) documentation comment

Question 73

When you use the Properties window to change a control's Visible property at design time, the control will become invisible in the Designer.

Question 74

A(n) ____________ appears on one line in a program and begins with two forward slashes (//).

A) line comment
B) short comment
C) block comment
D) documentation comment

Question 75

Most controls have a(n) ____________ property that determines whether the control can be seen by the user at run time.

A) Enabled
B) Invisible
C) Show
D) Visible

Question 76

Block comments make it easier to write long explanations because you do not have to mark every line with a comment symbol.

Question 77

A control's Visible property cannot be modified in code.

Question 78

____________ are short notes placed in a program's source code, explaining how the program works.

A) Sketches
B) Tags
C) Comments
D) Labels

Question 79

In C#, there are three types of comments: line comments, block comments, and compilation comments.

Question 80

Writing comments should be avoided, especially for large and complex programs.