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

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

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

Answer 2

C

Question 3

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

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

Answer 3

B

Question 4

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

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

Question 5

The ____ keyword 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

Question 6

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

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

Question 7

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

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

Question 8

The ____ Information dialog box contains values that include the program title,description,company,product,and copyright date.

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

Question 9

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

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

Question 10

A(n)____ is a value that can be passed to a procedure when the procedure is called.

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

Question 11

The ____ prefix is used when naming a ComboBox object like the one in the accompanying figure.

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

Question 12

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

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

Question 13

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

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

Question 14

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

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

Question 15

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

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

Question 16

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

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

Question 17

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

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

Question 18

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 19

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

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

Question 20

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 21

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

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

Question 22

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

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

Question 23

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

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

Question 24

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 25

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 26

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

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

Question 27

A Try-Catch structure ____ Catch blocks of code.

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

Question 28

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

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

Question 29

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 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

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 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

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

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

Question 34

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

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

Question 35

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 36

A ____ procedure can pass only one value back to the calling procedure.

A) Value
B) Sub
C) Return
D) Function

Question 37

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 38

In a Try-Catch structure,the ____ keyword precedes code that will always execute regardless of whether any exception occurred.

A) Else
B) Finally
C) Catch
D) Next

Question 39

A Sub procedure ____ argument(s).

A) cannot accept any
B) can accept one
C) can accept two
D) can accept any number of

Question 40

To detect exceptions and take corrective action,the ____ structure is used.

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

Question 41

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

Question 42

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

Question 43

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

Question 44

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 45

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

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

Question 46

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

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

Question 47

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 48

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

Question 49

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

Question 50

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

Question 51

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

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

Question 52

The Elements property of a ComboBox contains the choices available to the ComboBox._________________________

Question 53

A ComboBox object consists of three parts._________________________

Question 54

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

Question 55

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

Question 56

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 57

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

Question 58

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

Question 59

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

Question 60

The Project Designer contains fields to enter ____.

A) program title
B) company name
C) file version
D) Sub procedure

Question 61

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

Question 62

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

Question 63

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 64

The Private keyword is required in a Function procedure declaration.

Question 65

You can pass at most two arguments to a Sub procedure.

Question 66

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 67

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 68

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

Question 69

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 70

You cannot exclude the receiving variable in the procedure call.

Question 71

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

Question 72

The ____________________ property is used to display a graphic on a splash screen like the one shown in the accompanying figure.

Question 73

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

Question 74

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

Question 75

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

Question 76

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

Question 77

As shown in the accompanying figure,an opening screen that appears as an application is loading is called a(n)____________________ screen.

Question 78

A DivideByZeroException occurs when a value is divided by zero.

Question 79

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 80

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