Deck 5: Decision Structures

Question 1

To display a message box window like the one in the accompanying figure, use the ____ procedure of the MessageBox class.

A) Display
B) Show
C) View
D) Visible

Answer 1

B

Question 2

A message box like the one shown in the accompanying figure is also known as a(n) ____ box.

A) alert
B) dialog
C) pop-up
D) warning

Answer 2

B

Question 3

An If...Then statement can be used to compare an arithmetic expression to a(n) ____.

A) logical operator
B) constant
C) other data type
D) arithmetic operator

Answer 3

B, C

Question 4

____ objects are used to gather related RadioButtons together so that the user can select one radio button from each group.

A) Container
B) Grouping
C) Layout
D) Cluster

Question 5

When a condition is tested in a Visual Basic program, this is a possible outcome: ____.

A) the condition cannot be determined
B) the condition is true
C) the condition is constant
D) the condition is false

Question 6

An If...Then statement can be used to compare two string values. _________________________

Question 7

Which of the following is a feature of the Panel object?

A) caption
B) labeled border
C) scroll bars
D) none of the above

Question 8

The ____ object provides several options not available with the Panel object.

A) GroupBox
B) TabControl
C) FlowLayout
D) TableLayout

Question 9

A RadioButton's Selected property will indicate if the radio button has been selected by the user. _________________________

Question 10

The plus sign is the operator for concatenation. _________________________

Question 11

A condition can be true and false at the same time. _________________________

Question 12

When using multiple ____ operators in an If statement, the order of precedence of the operators should be established through the use of parentheses.

A) relational
B) logical
C) concatenated
D) range

Question 13

When the object indicated by a RadioButton is selected by the user, the ____ property changes from False to True.

A) Selected
B) Value
C) Checked
D) Input

Question 14

After the Not operator, the ____ logical operator has the next precedence.

A) And
B) Xor
C) AndAlso
D) Or

Question 15

Of all the following objects provided by Visual Basic for Windows applications, the ____ object is used most often.

A) GroupBox
B) TabControl
C) FlowLayout
D) TableLayout

Question 16

The Panel, GroupBox, and TabControl objects are examples of ____ objects.

A) compound
B) container
C) complex
D) group

Question 17

The ____ is a relational operator.

A) =
B) ?
C) >
D) <

Question 18

The Panel object performs in the same manner as the ____ object.

A) GroupBox
B) TabControl
C) FlowLayout
D) TableLayout

Question 19

A ____ object forces the user to select only one option from a group of options.

A) CheckBox
B) RadioButton
C) TextBox
D) CheckList

Question 20

In string comparison, a number is more than an uppercase letter. _________________________

Question 21

____ is the default setting for the buttons that will be displayed in a message box like the one in the accompanying figure.

A) MessageBoxButtons.OKOnly
B) MessageBoxButtons.OKCancel
C) MessageBoxButtons.YesNo
D) MessageBoxButtons.YesNoCancel

Question 22

The ____ of a variable is defined by where it is declared within a program.

A) range
B) life
C) versatility
D) scope

Question 23

A statement that tests a value is called a ____ statement.

A) conditional
B) scope
C) logical
D) range

Question 24

A ____ structure is used to deal with different conditions that occur based on values entered into an application.

A) compound
B) logical
C) decision
D) baseline

Question 25

The business traveling rule, "If the flight costs less than $300.00 and the hotel is less than $120.00 per night" is an illustration of ____ conditions.

A) continuous
B) compound
C) contiguous
D) grouped

Question 26

In an expression using the logical operator ____, as soon as one of the compound conditions is found to be false, no further conditions are tested and the expression evaluates to false.

A) Nor
B) AndAlso
C) OrElse
D) Xor

Question 27

The logical operator ____ has the highest priority and is evaluated first.

A) Or
B) Xor
C) Not
D) And

Question 28

To create a compound condition in an If statement, a(n) ____ operator is required.

A) compound
B) logical
C) arithmetic
D) logical

Question 29

To use multiple conditions in a single If...Then...Else statement, ____ conditions are required.

A) range
B) compound
C) indexed
D) logical

Question 30

In an expression using the logical operator ____, as soon as one of the compound conditions is found to be true, no further conditions are tested and the expression evaluates to true.

A) Nor
B) AndAlso
C) OrElse
D) Xor

Question 31

Every If statement block must be terminated by the ____ keyword.

A) End If
B) If End
C) End
D) Not If

Question 32

The logical operator ____ reverses the logical value of a condition.

A) And
B) Or
C) Not
D) Nor

Question 33

Use the ____ statement to execute one set of instructions if the condition is true, and another set of instructions if the condition is false.

A) Do…While
B) If…Then
C) If...Then...Else
D) Not…If

Question 34

An expression using the logical operator ____ evaluates to true when only one but not both of the two compound conditions are true.

A) Nor
B) OrElse
C) AndAlso
D) Xor

Question 35

The ampersand (&) symbol is the operator used to ____ two strings together.

A) link
B) display
C) embed
D) concatenate

Question 36

In an If...Then statement, the ____ symbol is used to test for inequality.

A) ><
B) !=
C) = =
D) <>

Question 37

An expression using the logical operator ____ will evaluate to true only when both of the conditions are true.

A) And
B) Or
C) Not
D) Nor

Question 38

What is the value of the MsgBoxStyle.OKCancel?

A) 0
B) 1
C) 2
D) 3

Question 39

What is the value of the MsgBoxStyle.OKOnly?

A) 0
B) 1
C) 2
D) 3

Question 40

An expression using the logical operator ____ will evaluate to true when either of the compound conditions is true.

A) And
B) Or
C) Not
D) Nor

Question 41

Which of the following CANNOT be contained in a code snippet?

A) an entire program
B) code to send an e-mail message
C) an If…Then…Else decision structure
D) code to draw a circle

Question 42

In an If...Then...Else statement, if the condition is false, the statements between the Else and End If keywords will be executed.

Question 43

Visual Basic contains a code library of almost ____ pieces of code called code snippets, inserted by the command shown in the accompanying figure.

A) 125
B) 250
C) 500
D) 750

Question 44

Statements for a true condition and statements for a false condition can both be executed based on a single comparison.

Question 45

To specify a continuous range of values to be tested in a Case statement within a Select Case structure, the word ____ must be used.

A) From
B) Range
C) To
D) Cont

Question 46

Developers can code Visual Basic applications to make decisions based on the input of users or other conditions that occur.

Question 47

A Panel object can have a caption, but a GroupBox object cannot.

Question 48

In an If...Then statement, the If keyword should appear on the first line with the conditional expression, and the Then keyword should appear on the second line.

Question 49

Often, during design time, you should set the Checked property for the most commonly selected RadioButton object to True to save the user from having to select the most common choice.

Question 50

The IsNumeric function will return a(n) ____ type value.

A) Boolean
B) Decimal
C) Double
D) Integer

Question 51

Within an event handler, an If...Then...Else statement is considered a block of code.

Question 52

When RadioButton objects are contained in a group box, the user can select only one of the radio buttons on the panel.

Question 53

The ____ function is used to determine if an input value can be converted into a numeric value.

A) IsNumeric
B) IsNumber
C) IsInteger
D) IsQuantity

Question 54

If data analyzed by the IsNumeric function cannot be converted to a numeric data type, the function will return a value of ____.

A) NaN
B) NotNumber
C) False
D) null

Question 55

When comparing two data values in Visual Basic, both values must be the same data type.

Question 56

When you want to move a GroupBox object, you must first move its contained objects.

Question 57

To end a Select Case structure, a(n) ____ statement is used.

A) End Select
B) End Case
C) Select End
D) Select Close

Question 58

When relational operators are used in a Case statement within a Select Case structure, the keyword ____ must be used with the relational operator.

A) Is
B) From
C) Cont
D) To

Question 59

It is important to ____ the line in the code editing window in the exact location where you want to insert a code snippet to produce the shortcut menu with the Insert Snippet command.

A) click
B) double-click
C) right-click
D) mouse over

Question 60

In a Select Case structure, the ____ statement includes all conditions not specifically tested for in the other Case statements.

A) Case Other
B) Else
C) Case Else
D) All Else

Question 61

A variable defined between the Then keyword and the Else keyword in an If...Then...Else structure can be referenced from within the Else section of the structure.

Question 62

You can display a code snippet to ensure you understand the syntax and requirements for a given type of statement.

Question 63

An End Case statement is used to terminate a Select Case structure.

Question 64

____________________ is the MsgBoxButtons argument that, after an error occurs, allows the user to choose Retry or Cancel.

Question 65

A Case statement in a Select Case structure can test for a range of values.

Question 66

In the era of IntelliSense, developers need no longer anticipate that users will enter invalid data.

Question 67

Only one condition can be tested in an If statement.

Question 68

Each code snippet inserted by the command in the accompanying figure consists of a complete programming task.

Question 69

The process of validating input data is fundamental to programming when using a graphical user interface.

Question 70

The default setting for the MessageBoxButtons argument of a message box will display only a(n) ____________________ button in the message box.

Question 71

Variables declared within a block of code can only be referenced within that block.

Question 72

Message boxes like the ones in the accompanying figure also are known as ____________________ boxes.

Question 73

____________________ is the MsgBoxButtons argument that displays the Yes and No buttons.

Question 74

In adding a code snippet, if you right-click outside the desired location for your code, the shortcut menu might list choices that are customized to that area of code and not include the code snippet for which you were searching.

Question 75

If a program attempts to process invalid data, unexpected errors can occur.

Question 76

The ____________________ procedure found in the MessageBox class is used to display a message box, like the one in the accompanying figure.

Question 77

A Case Else statement is required in a Select Case structure.

Question 78

In a Select Case statement, the keyword Is must be used when testing with relational operators.

Question 79

Each value in a Case statement is separated by a period.

Question 80

You can create your own code snippets but they cannot be added to the library.