Deck 6: Loop Structures

Question 1

A(n) ____ operator allows you to perform arithmetic operations with a variable and store the results back to that variable.

A) logical
B) rational
C) compressed
D) compound

Answer 1

D

Question 2

A(n) ____ variable collects a total value over a period of time.

A) catalog
B) glossary
C) register
D) accumulator

Answer 2

D

Question 3

To remove all objects from a ListBox object, the ____ method is used.

A) Clear
B) Items.Clear
C) Empty
D) Items.Empty

Answer 3

B

Question 4

The ____ character is used to indicate that a letter is a hot key on a menu item.

A) ampersand (&)
B) forward slash (/)
C) back slash (\)
D) underscore (_)

Question 5

A(n) ____ key is a keyboard shortcut for opening a menu.

A) hot
B) spot
C) legend
D) index

Question 6

A(n) ____ variable keeps track of how many times a loop has executed.

A) counter
B) accumulator
C) glossary
D) register

Question 7

A(n) ____ object displays a collection of items, or values, with one item per line.

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

Question 8

Menu item hot keys are case sensitive.

Question 9

Smart actions can be specified for a menu by using Action Tags .

Question 10

A(n) ____ is a group of commands presented in a list.

A) action list
B) input box
C) menu
D) status bar

Question 11

Double-clicking a menu item in design mode opens the code editing window to the Click event handler for that menu item.

Question 12

Figure 6-1 As shown in the accompanying figure, Action Tags provide an easy way for you to specify ____ actions for an object as you design a form.

A) baseline
B) smart
C) indexed
D) object-oriented

Question 13

The hot key for a menu item can be activated with the keyboard by pressing the ____ key and the hot key at the same time.

A) ALT
B) SHIFT
C) CTRL
D) TAB

Question 14

Which line of code will add the value "East" to a ListBox object named lstDirections?

A) lstDirections.Add("East")
B) lstDirections.Items.Add("East")
C) lstDirections.AddValue("East")
D) lstDirections.Items.AddValue("East")

Question 15

The ____ property of a ListBox object identifies which item in the ListBox was selected.

A) Item
B) ItemSelected
C) Selected
D) SelectedItem

Question 16

Figure 6-1 As shown in the accompanying figure, Visual Basic 2008 contains a(n) ____ Tag that allows you to create a full standard menu bar commonly provided in Windows programs.

A) Menu
B) Action
C) Legend
D) Glossary

Question 17

The Selected property of a ListBox object identifies which item in the ListBox has been selected.

Question 18

The ____ function provides a dialog box that asks the user for input and provides an input area.

A) InputArea
B) InputBox
C) MessageBox
D) UserEntry

Question 19

When used in a menu name, the asterisk character is used to indicate that a character is a hot key.

Question 20

The ____ prefix is used for a MenuStrip object.

A) menu
B) mns
C) mst
D) mnu

Question 21

A(n) ____-controlled loop tests the condition before the loop body is executed.

A) bottom
B) key
C) top
D) function

Question 22

If ____ appears as the first line of a loop, the loop is a top-controlled Do loop that will stop execution when a condition becomes true.

A) Loop While
B) Do While
C) Loop Until
D) Do Until

Question 23

The ____ follows the keyword For in a For...Next loop.

A) keyword Next
B) keyword Step
C) keyword To
D) control variable

Question 24

The ____ function can be used to test if data entered by the user is numeric.

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

Question 25

How many times will the following loop execute? For intCount = 10 To 16 Step 2 'Body of Loop Next

A) 3
B) 4
C) 6
D) 7

Question 26

How many times will the following loop execute? For intCount = 10 To 1 Step -2 'Body of loop Next

A) 4
B) 5
C) 9
D) 10

Question 27

Figure 6-3 As shown in the accompanying figure, ____ are stopping points placed in the code to tell Visual Studio 2008 debugger where and when to pause the execution of the program.

A) breakpoints
B) debug points
C) halt points
D) tracepoints

Question 28

The compound operator ____ adds the value of the right operand to the value of the left operand and stores the result in the left operand's variable.

A) ++
B) +=
C) =+
D) ==

Question 29

Figure 6-2 As demonstrated in the accompanying figure, a loop that does not terminate is called a(n) ____ loop.

A) breakaway
B) infinite
C) runaway
D) unstoppable

Question 30

A loop's ____ variable is a numeric variable that keeps track of the number of iterations the loop completes.

A) compound
B) accumulated
C) matrix
D) control

Question 31

A(n) ____ is a single repetition of a loop.

A) rotation
B) iteration
C) revolution
D) accumulation

Question 32

A For...Next loop with a beginning value of 1, an ending value of 25, and a step value of 3 will execute ____ times.

A) 3
B) 8
C) 9
D) 25

Question 33

Using a preset value for the variable tested in a loop condition is a process called ____ the loop.

A) iterating
B) priming
C) presetting
D) rebanding

Question 34

A(n) ____-controlled loop tests the condition after the code in the loop body has been executed.

A) bottom
B) function
C) top
D) key

Question 35

If ____ appears as the last line of a loop, the loop is a bottom-controlled Do loop that will stop execution when a condition becomes true.

A) Loop While
B) Do While
C) Until
D) Loop Until

Question 36

If ____ appears as the first line of a loop, the loop is a top-controlled Do loop that will execute as long as a condition remains true.

A) Loop While
B) Do While
C) Loop Until
D) Do Until

Question 37

A(n) ____ loop is best used when the specific number of iterations required is known.

A) Do…While
B) Do…Until
C) For...Next
D) For…Until

Question 38

The compound operator ____ is used to add a string to an existing string.

A) &=
B) =&
C) &&
D) ==

Question 39

What will be the value of the variable intTotalCount when the following code is executed? For intOuterCount = 1 to 5 For intInnerCount = 1 to 4 intTotalCount +=1 Next Next

A) 4
B) 5
C) 9
D) 20

Question 40

If ____ appears as the last line of a loop, the loop is a bottom-controlled Do loop that will execute as long as a condition remains true.

A) Loop While
B) Do While
C) Loop Until
D) Do Until

Question 41

You can create a deployed version of a program by using the ____ process.

A) ClickDeploy installation
B) ClickInstall Deployment
C) ClickOnce Deployment
D) ClickPublish Deployment

Question 42

When in break mode, you can use ____ to examine the value of variables.

A) DataTags
B) DataTips
C) DebugTags
D) DebugTips

Question 43

You must include a Step value in a For...Next loop, even if the Step value is 1.

Question 44

The prompt message displayed in an InputBox object can be customized by the programmer.

Question 45

It is best to indent the body of the loop, to identify clearly the code that is being repeated.

Question 46

A hot key in a menu name must be the first letter.

Question 47

In order to run a program deployed with ClickOnce Deployment, the computer needs ____ installed on it.

A) Microsoft Word 2007
B) Visual Studio 2008
C) PowerBuilder
D) none of the above

Question 48

Figure 6-3 By default, when a program reaches the item shown in the accompanying figure and pauses execution, the line of code that is about to be executed is highlighted in what color?

A) blue
B) green
C) red
D) yellow

Question 49

The beginning, ending, and step values used in a For...Next loop can vary based on input from a user.

Question 50

The InputBox function returns a null string ("") when a user clicks the Cancel button.

Question 51

A Step value in a For...Next loop can be positive or negative.

Question 52

The beginning and ending values for a For...Next loop must be predefined and cannot contain an expression.

Question 53

MenuStrip objects can be placed along any edge of the form, depending on which side is closer to the mouse pointer.

Question 54

If the user enters a numeric value in an InputBox object, the InputBox function will return a numeric data type.

Question 55

Writing an event handler for a menu item is the same as writing an event handler for a button click.

Question 56

Before deployment, an application should be ____.

A) complete
B) working properly
C) debugged
D) all of the above

Question 57

The Step value for a For...Next loop must be a positive whole integer value.

Question 58

Assigning a default value of something other than a null string in an input box is recommended to allow the program to differentiate between the user clicking Cancel and the user failing to enter data.

Question 59

An InputBox object allows user input without the need for a TextBox object on the Windows Form object.

Question 60

All data collected by an InputBox object is automatically converted to the best data type for the data.

Question 61

The ____________________ property of a ListBox identifies which item was selected.

Question 62

The non-graphical Toolbox objects, such as MenuStrip objects, are organized and displayed below the form in the ____________________ at the bottom of the Visual Studio IDE.

Question 63

In Visual Studio 2008, a(n) ____________________ object is used to place menus at the top of a Windows Application form.

Question 64

Starting a loop with a preset value for the variable tested in the condition is called priming the loop.

Question 65

Use a For...Next loop when the number of repetitions is unknown.

Question 66

A(n) ____________________ value is the value in a For...Next loop that is added to, or subtracted from, the beginning value on each iteration of the loop.

Question 67

In a Do While loop, the body of the loop is executed until the condition becomes true.

Question 68

When expecting a number from an input box, the IsNumeric function should be used to ensure that the input data can be converted to a numeric variable.

Question 69

Loops cannot be nested.

Question 70

A top-controlled loop is always executed at least once.

Question 71

The installation files created by the ClickOnce Publishing wizard can be used for a software release.

Question 72

The keyword ____________________ is the last line of a For loop.

Question 73

The ____________________ procedure of the Windows Form object closes the form and causes the program to exit.

Question 74

A(n) ____________________ is a group of commands, or items, presented in a list.

Question 75

A(n) ____________________ is a strip across the top of a window that contains one or more menu names.

Question 76

Figure 6-3 Only one breakpoint can be set in a program, as shown in the accompanying figure.

Question 77

A(n) ____________________ object is a dialog box used to allow the program to accept input from the user.

Question 78

Breakpoints are stop points placed in the code where execution will be paused when running the program in Visual Studio in debug mode.

Question 79

The ____________________ method of the ListBox object's Items property is used to add items to the list.

Question 80

When nesting loops, the inner loop must be completely contained in the outer loop and must use a different control variable.