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

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

Answer 2

B

Question 3

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

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

Answer 3

C

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

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

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

Question 6

​
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 7

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 8

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 9

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

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

Question 10

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

A)​Stop
B)​Pause
C)​Wait
D)​Sleep

Question 11

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

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

Question 12

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 13

In a payroll program,a user could enter the number of hours worked,pay rate,and then select whether they are a full-time or part-time employee to submit their 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

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

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

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

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

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

Question 17

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 18

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 19

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

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

Question 20

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

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

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 value is divided by zero.​

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

Question 23

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

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

Question 24

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 25

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 26

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

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

Question 27

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 28

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 29

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 30

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

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

Question 31

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 32

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

A)​ByVal
B)​BySub
C)​ByRef
D)​ByArg

Question 33

A Sub procedure ____ argument(s).​

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

Question 34

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 35

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

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

Question 36

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

A)​Form
B)​Sub
C)​Function
D)​Splash

Question 37

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

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

Question 38

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 39

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 40

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 41

A ComboBox object consists of three parts._________________________​

Question 42

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

Question 43

The Project Designer contains fields to enter ____.​

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

Question 44

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 45

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

Question 46

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

Question 47

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

Question 48

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

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

Question 49

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 50

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

Question 51

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

Question 52

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

Question 53

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

Question 54

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

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

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

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

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

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

Question 59

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

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

Question 60

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 61

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

Question 62

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

Question 63

A DivideByZeroException occurs when a value is divided by zero.​

Question 64

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

Question 65

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

Question 66

You cannot exclude the receiving variable in the procedure call.​

Question 67

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 68

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

Question 69

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

Question 70

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 71

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 72

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

Question 73

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

Question 74

​The Private keyword is required in a Function procedure declaration.

Question 75

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

Question 76

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 77

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

Question 78

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

Question 79

​
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 80

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