Deck 7: Lists, loops, and Printing

Question 1

An "iteration" is a single execution of the statement(s)in the loop.

Answer 1

True

Question 2

It is possible to add values to a list box or combo box during design by using the Items property.

Answer 2

True

Question 3

The Alphabetize property can be set to True and the combo or list box will automatically be sorted when an item is added to the list.

Answer 3

False

Question 4

To add scroll bars to list boxes and combo boxes you must set the ScrollAlwaysVisible property to True.

Question 5

To remove an individual item from a list box,you can use the Remove method and specify the index of the item.

Question 6

The Clear method is used to empty the contents of a list or combo box.

Question 7

Items are added to a list box during design-time with the ListIndex property.

Question 8

If you want to remove an item from a list during run time,you can use either the Items.RemoveAt method or the Items.Remove method.

Question 9

If a list contains 15 items,the Count property will be 15 and the highest SelectedIndex property will be 16.

Question 10

The TextChanged event procedure occurs once for every keystroke entered.

Question 11

Boolean variables only hold the values True or False.

Question 12

The statements in a loop may never be performed if a loop begins with Do Until.

Question 13

List boxes and combo boxes have a Text property that can be accessed at design time.

Question 14

Boolean variables are commonly referred to as switches or flags.

Question 15

List boxes and combo boxes can only hold numeric values.

Question 16

Use the code: NamesListBox.SelectedIndex = -1,to deselect all items in a list.

Question 17

List boxes have a Text property,but it can only be accessed at run time.

Question 18

The SelectedIndex property can be used to select an item in the list or to determine which item is selected.

Question 19

A loop that begins with Do Until will test the condition at the top of the loop.

Question 20

The code,"NameLabel.Text = NameComboBox.Text",or the code,"NameLabel.Text = NameComboBox.Items(NameComboBox.SelectedIndex)" will display the selected name in NameLabel.

Question 21

List boxes and combo boxes _______.

A)are created with the same tool from the toolbox
B)have a Text property during design time
C)hold a list of values
D)always have scroll bars

Question 22

You can specify the X and Y coordinates for each element on the graphics page.

Question 23

The Continue statement can be used to skip to the next iteration of a loop.

Question 24

Use the Select method of a text box in order to select the text in the text box.

Question 25

To start printing output,you execute the Print method of the PrintDocument component.

Question 26

Use the WriteString method to send a line of text to the graphics page.

Question 27

Assign a valid index to the SelectedIndex property of a list box in order to make an item in the list appear selected.

Question 28

Set up output for the printer using the methods and events of the Printer component.

Question 29

The identifier for a loop index in a For/Next statement must be LoopIndexInteger.

Question 30

Values for the items in a list _______.

A)can be entered in the Items collection in the Properties window
B)can be entered in the Values collection in the Properties window
C)can be entered in the AddItem collection in the Properties window
D)must be entered in alphabetical order

Question 31

The X and Y coordinates define the upper-left corner of an element on a graphics page.

Question 32

Use the _______ control from the toolbox to create list boxes on a form.

A)List
B)ListBox
C)ComboBox
D)SimpleList

Question 33

Items in a list can be placed in alphabetical order by _______.

A)setting the Sorted property to True
B)selecting the item in the list and then using the arrow keys to move the item up or down the list
C)setting the Alphabetize property to True
D)setting the Index property to 1

Question 34

Items can be added to a list during run time using the _________ method.

A)AddLists
B)Lists
C)ItemsAdd
D)Items.Add

Question 35

The data that appears in a combo box when it is first displayed can be added to the combo box _______.

A)using the Form_Load procedure and the combo box Items.Add method
B)during design time in the Items Collection of the combo box
C)using the ComboBox.Add()method
D)Answers A and B are correct.

Question 36

Items can be added to a list during design time using the _________ collection.

A)AddLists
B)Items
C)ItemsAdd
D)AddItems

Question 37

Which of the following is NOT a style for combo boxes?

A)Simple
B)DropDown
C)DropDownList
D)SimpleList

Question 38

Use the Exit For statement if you need to terminate a For/Next loop before the loop index reaches its final value.

Question 39

The counter in a For/Next loop can be a variable or a constant.

Question 40

A _______ control contains a text box as part of the control.

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

Question 41

The statements inside of a Do Until/Loop may never be executed if _______.

A)the terminating condition is at the top of the loop and it is True the first time it is tested
B)the terminating condition is at the bottom of the loop and it is True the first time it is tested
C)Both answers A and B would cause the statements in the loop not to be executed.
D)The statements in the loop will always be executed.

Question 42

A single execution of a group of instructions inside a Do/Loop is called _______.

A)an iteration
B)a loop
C)a set
D)a group

Question 43

Which of the following code examples can be used to determine the number of items in a list box named ColorListBox?

A)ColorListBox.Count.Index
B)ColorListBox.Items.Count
C)ColorListBox(Items.Total)
D)ColorListBox.SelectedIndex

Question 44

Which text box event occurs when a text box gets the focus?

A)Click event
B)Enter event
C)Leave event
D)TextChanged event

Question 45

An individual item can be deleted from a list with the _______.

A)Items.Delete method
B)Items.Clear method
C)Items.Erase method
D)Items.RemoveAt method

Question 46

The code to delete the selected item from ColorListBox is _______.

A)ColorListBox.Clear
B)ColorListBox.RemoveItem
C)ColorListBox.Delete (ColorListBox.ListIndex)
D)ColorListBox.Items.RemoveAt (ColorListBox.SelectedIndex)

Question 47

When is the counter tested in a FOR/NEXT statement?

A)In the NEXT statement
B)In the FOR statement
C)When the counter is initialized
D)When the counter is incremented

Question 48

Incorrect indentation of the statements in For/Next loops _______.

A)will cause the program to halt
B)will cause the logic of calculations inside the loop to perform incorrectly
C)will make the program difficult to read and understand
D)all of these

Question 49

Which text box event occurs each time the user types a character into a text box?

A)Click event
B)GotFocus event
C)Enter event
D)TextChanged event

Question 50

How many times will the statements inside this For/Next loop be executed? For IndexInteger = 1 to 10
'Statements in loop
Next IndexInteger

A)2
B)4
C)5
D)10

Question 51

Which of the following instructions will add the word,monkey,to a list box named AnimalsListBox?

A)AnimalsListBox.Insert(monkey)
B)AnimalsListBox.Insert ("monkey")
C)AnimalsListBox.Items.Add(monkey)
D)AnimalsListBox.Items.Add("monkey")

Question 52

What is the value of the SelectedIndex property if the user has not selected an item from a combo box?

A)-1
B)0
C)1
D)None of these

Question 53

The process of repeating a series of instructions is called ______________.

A)jumping
B)reiteration
C)looping
D)initializing

Question 54

The code that will add the name,John,to a combo box named NamesComboBox is _______.

A)NamesComboBox.Items.Add ("John")
B)NamesComboBox.AddItem = ("John")
C)Add.NamesComboBox = ("John")
D)Add."John".NamesComboBox

Question 55

When does a For/Next statement terminate iteration?

A)When executing the For statement,the counter must be greater than the final value.
B)When executing the For statement,the counter must be the same as the final value.
C)When executing the Next statement,the counter must be greater than the final value.
D)When executing the Next statement,the counter must be the same as the final value.

Question 56

The SelectedIndex property of the first item in a list is _______.

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

Question 57

The group of repeated instructions in a Do/Loop is called a(n)__________.

A)group
B)set
C)loop body
D)iteration

Question 58

What is the value of the SelectedIndex property if the user has selected the last item in a list with four items?

A)3
B)4
C)5
D)0

Question 59

The values of Boolean data types are sometimes referred to as _______.

A)banners
B)flags
C)ribbons
D)posters

Question 60

When is the counter incremented in a FOR/NEXT statement?

A)In the NEXT statement
B)In the FOR statement
C)In the Exit For statement
D)When the statements in the loop are executed

Question 61

What is the value of IndexInteger after the loop below is executed? For IndexInteger = 4 to 1
'Statements in loop
Next IndexInteger

A)0
B)1
C)4
D)5

Question 62

When an item is selected in a list box or a combo box,the _______ property holds the selected item.

A)SelectAll
B)Text
C)Print
D)Selected

Question 63

Terminate a For/Next loop with the _______ statement.

A)Exit
B)ExitFor
C)ExitLoop
D)Continue

Question 64

Skip to the next iteration of a Do loop with the _______ statement.

A)Exit For
B)Exit Do
C)Continue For
D)Continue Do

Question 65

The PrintDocument's PrintPage event is fired once for each page to be printed.This technique is referred to as a _______.

A)PagePrint method
B)graphics page
C)callback
D)SystemPrint

Question 66

The methods and events of the _________ component can be used to set up output for the printer.

A)Printer
B)PrintDocument
C)Print
D)PrintAndPreview

Question 67

________ is used for viewing print output on the screen.The user can then choose to print or cancel.

A)Preview
B)Sample view
C)Print preview
D)Test print page

Question 68

What is the Items collection and how does it relate to a list box and/or a combo box?

Question 69

Write the code for a FOR NEXT loop that will execute as many times as there are items in a combo box named ItemsComboBox.Use CountInteger as the counter (loop index).

Question 70

What is the value of IndexInteger after the code in the loop below is completed? For IndexInteger = 1 to 10
'Statements in loop
Next IndexInteger

A)0
B)1
C)10
D)11

Question 71

How many times will the statements inside this For/Next loop be executed? For IndexInteger = 2 to 12 Step 3
'Statements in loop
Next IndexInteger

A)2
B)4
C)5
D)10

Question 72

Which method is used to make all of the text in a text box appear selected?

A)SelectText
B)SelectedIndex
C)SelectedItem
D)SelectAll

Question 73

The _______ method is used to send a line of text to the graphics page.

A)DrawString
B)WriteLine
C)String
D)Print

Question 74

How many times will the statements inside this For/Next loop be executed? For IndexInteger = 4 to 1
'Statements in loop
Next IndexInteger

A)0
B)3
C)4
D)5

Question 75

What will be the value of ValueInteger after execution of these statements? For IndexInteger = 1 to 10 Step 2
ValueInteger += IndexInteger
Next IndexInteger

A)20
B)25
C)36
D)None of these

Question 76

What will be the value of IndexInteger after execution of these statements? For IndexInteger = 1 to 10 Step 2
ValueInteger = += IndexInteger
Next IndexInteger

A)10
B)11
C)13
D)14