Deck 7: Using Procedures and Exception Handling

Question 1

A Sub procedure can return ____ value(s) to the calling procedure.

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

Answer 1

A

Question 2

To change the copyright date on a splash screen, you need to open the ____ Information dialog box.

A) Assembly
B) ActiveX
C) Activity
D) Argument

Answer 2

A

Question 3

The word ____ is placed before the Sub keyword when creating a Sub procedure to specify that the procedure can be called only by code within the class in which it exists.

A) Contained
B) Private
C) Inner
D) Distinct

Answer 3

B

Question 4

The ____ event of a ComboBox object is triggered when the user changes the selection.

A) SelectedIndex
B) IndexChanged
C) SelectedIndexChanged
D) ChangedSelectedIndex

Question 5

If the user selects the first item in a ComboBox, the SelectedIndex property will have the value ____.

A) −1
B) 0
C) 1
D) 2

Question 6

A ____ screen can be added to engage the user while the application is loading.

A) startup
B) flash
C) title
D) splash

Question 7

To execute code in a procedure, a procedure ____ must be made.

A) invocation
B) cast
C) call
D) metric

Question 8

The ____ property allows you to change the generic graphic on the splash screen.

A) BackGround
B) BackImage
C) BackgroundImage
D) BackGroundPicture

Question 9

The Project ____ appears as a single window in the Visual Studio IDE.

A) Manager
B) Control
C) Designer
D) Application

Question 10

To pause a splash screen for a specific time period, you can call the ____ procedure.

A) Suspend
B) Sleep
C) Pause
D) Halt

Question 11

A(n) ____ is a named set of code that performs a given task.

A) parameter
B) procedure
C) argument
D) index

Question 12

The ____ property of a ComboBox object returns a string value that represents the selected list item.

A) SelectedItem
B) ListItem
C) ThisItem
D) NewIndex

Question 13

In a payroll program, a user could enter the number of hours worked, pay rate, and then select whether he or she are a full-time or part-time employee to submit his or her input. This last selection is an example of using a ComboBox object to handle a(n) ____.

A) value action
B) return index
C) decision tree
D) event

Question 14

If the third item in a ComboBox list is selected by the user, the SelectedIndex property of the ComboBox will have the value ____.

A) 1
B) 2
C) 3
D) 4

Question 15

Arguments are contained inside ____ after the name of the procedure to be called.

A) braces
B) parentheses
C) brackets
D) quotation marks

Question 16

The Project Designer provides a central location for managing project ____.

A) properties
B) settings
C) resources
D) all of the above

Question 17

A ____ procedure completes its task but does not return any data to the calling procedure.

A) Private
B) Sub
C) Function
D) Public

Question 18

The ____ prefix is used when naming a ComboBox object.

A) cmb
B) cbo
C) cbx
D) cmo

Question 19

The index number of a ComboBox object can be assigned to a(n) ____ data type variable.

A) Decimal
B) Integer
C) Whole
D) Null

Question 20

Using the ____ procedure will cause the application to pause a specific amount of time.

A) Stop
B) Pause
C) Wait
D) Sleep

Question 21

The ____ exception type occurs when a value exceeds its assigned data type.

A) NullReferenceException
B) ArgumentNullException
C) OverflowException
D) SystemException

Question 22

When an argument is passed ____, it means the Sub procedure has access to the value of the passed argument, but does not actually reference the variable declared in the calling procedure.

A) ByRef
B) ByHand
C) ByVal
D) ByVar

Question 23

The ____ exception type occurs when a procedure is called and the result is not possible.

A) NullReferenceException
B) ArgumentNullException
C) OverflowException
D) SystemException

Question 24

In a Try-Catch structure, the ____ statement is optional and always executes last.

A) Final
B) Finally
C) Last
D) End

Question 25

A variable declared as Private at the ____ level can be accessed by procedures and events within the class but not by any code outside of the class.

A) block
B) local
C) global
D) class

Question 26

When a procedure is called, the call statement can pass a(n) ____ to the called procedure.

A) parameter
B) sub
C) index
D) argument

Question 27

The ____ structure can be used to detect exceptions and take corrective action.

A) Try-Catch
B) Try-Code
C) Catch-Error
D) Try-CatchError

Question 28

In a Function procedure, the ____ of the return value is listed in the procedure declaration.

A) data type
B) parameter
C) limit
D) index

Question 29

The ____ exception type occurs when a value is divided by zero.

A) DivisionError
B) ZeroError
C) DivideByZeroException
D) ZeroDivisionError

Question 30

The keyword(s) ____ is/are used to specify the termination of a Try-Catch block of code.

A) Terminate
B) Conclude
C) End Try
D) Quit Catch

Question 31

A Try-Catch structure ____ Catch blocks of code.

A) cannot contain any
B) can contain one
C) can contain at most two
D) can contain any number of

Question 32

The ____ exception type is used to catch all generic exceptions within a Try-Catch structure.

A) NullReferenceException
B) ArgumentNullException
C) OverflowException
D) SystemException

Question 33

When an argument is passed ____, you are passing a reference to the variable that holds the value instead of the value itself.

A) ByRef
B) ByHand
C) ByVal
D) ByVar

Question 34

After the Sub procedure has completed its execution, program control returns to the ___________ and program execution resumes.

A) execution procedure
B) sub procedure
C) pass argument
D) calling procedure

Question 35

A ____ procedure returns a single value to the calling procedure.

A) Form
B) Sub
C) Function
D) Splash

Question 36

The ____ exception type occurs when a variable is converted to another data type that is not possible.

A) TypeException
B) TypeMismatchException
C) FormatMismatchException
D) FormatException

Question 37

To return multiple variables from a Function procedure, arguments passed ____ must be used.

A) ByVal
B) BySub
C) ByRef
D) ByArg

Question 38

The keyword ____ is used in a Function procedure to return a single value.

A) SendVal
B) Return
C) ReturnVal
D) ReturnValue

Question 39

The ____ exception type occurs when a variable with no value is passed to a procedure.

A) NullReferenceException
B) ArgumentNullException
C) OverflowException
D) SystemException

Question 40

A Function procedure can pass back ____ value(s) using the Return statement to the calling procedure.

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

Question 41

____ is an exception type that can be handled by a Try-Catch block.

A) TextException
B) DivideByZeroException
C) OverflowException
D) FormatException

Question 42

A dollar sign ($) as the first character in a variable means it is a class variable that can be referenced in any procedure within the class.

Question 43

The Elements of a ComboBox displays a list of items from which the user can select one item.

Question 44

Tap or click the list arrow on the left side of a ComboBox object to view the contents. _________________________

Question 45

____ procedures are a kind of procedure provided by Visual Basic.

A) Integrated
B) Master
C) Sub
D) Function

Question 46

A Sub procedure does not return any data to the calling procedure.

Question 47

A splash screen can be used to make a program appear to load faster than it actually does. _________________________

Question 48

A ComboBox object consists of three parts. _________________________

Question 49

A Sub procedure is called with a statement consisting of ____.

A) the title of the program
B) the procedure name
C) the master variable
D) a set of parentheses

Question 50

You specify you want to pass a value by reference by entering the keyword ByRef in the Sub procedure declaration.

Question 51

The Project Designer provides a central location for managing ____.

A) project properties
B) settings
C) resources
D) applications

Question 52

To make a splash screen display for a certain period of time, the Suspend procedure is placed in the form load event handler. _________________________

Question 53

The ____ object can trigger a SelectedIndexChanged event when a selection is made.

A) ComboBox
B) DropDownList
C) SelectionBox
D) ListBox

Question 54

When you pass a variable as an argument that was declared with the ByVal keyword in a procedure, that procedure cannot change the original value of the variable.

Question 55

After a Sub procedure has completed its execution, program control returns to the calling procedure and program execution resumes in the calling procedure.

Question 56

Sub procedures are automatically executed when events such as the user clicking a button occur.

Question 57

When the SelectedIndex property of a ComboBox has the value of 0, it indicates that no selection was made by the user.

Question 58

The SelectedItem property of a ComboBox returns an integer indicating which choice is currently selected.

Question 59

The keyword End SubProcedure signifies the end of a Sub procedure.

Question 60

You should select the ByVal option if you intend to change the original value when it is passed to the Sub procedure.

Question 61

If an exception occurs in the Try section of a Try-Catch structure and there is no matching Catch block, the program will stop.

Question 62

The Private keyword is required in a Function procedure declaration.

Question 63

You can pass no more than two arguments to a Sub procedure.

Question 64

A DivideByZeroException occurs when a value is divided by zero.

Question 65

The ____________________ property is used to return the string value of the selected choice in a ComboBox.

Question 66

A Function procedure can pass many values back to the calling procedure.

Question 67

If the Private keyword is omitted, the default option is Public.

Question 68

A Finally statement is required after each Catch block in a Try-Catch structure to execute any necessary cleanup code.

Question 69

If the code in the Try section of a Try-Catch structure generates an error, the program will not be terminated when the exception occurs.

Question 70

You must specify a return data type in the procedure declaration to define the type of variable that is being returned to the calling procedure by the Function procedure.

Question 71

If a Sub procedure has more than one argument, the variables are passed in the same order in which they appear in the procedure call statement.

Question 72

The ____________________ property is used to display a graphic on a splash screen.

Question 73

Only six different types of exceptions can occur in a Visual Basic program.

Question 74

A(n) ____________________ object includes a text box that allows the user to enter text, and a list box that displays a list of items from which the user can select one.

Question 75

An opening screen that appears as an application is loading is called a(n) ----____________________ screen.

Question 76

The statement End Procedure is used to signify the end of a Function declaration.

Question 77

The ____________________ property of a ComboBox is assigned a number that represents the selected item.

Question 78

A Function procedure returns a single value to the calling procedure.

Question 79

In a Function procedure declaration, any lines of code after a Return statement will not be executed.

Question 80

You cannot exclude the receiving variable in the procedure call.