VB Chapter 5 Review Questions
Which of the following For clauses indicates that the loop instructions should be processed as long as the intX variable's value is less than 100? a. For intX As Integer = 10 To 100 b. For intX As Integer = 10 To 99 c. For intX As Integer = 10 To 101 d. None of the above
For intX As Integer = 10 To 99
What will the following code display in the lblAsterisks control? For intX As Integer = 1 To 2 For intY As Integer = 1 To 3 lblAsterisks.Text = lblAsterisks.Text & "*" Next intY lblAsterisks.Text = lblAsterisks.Text & ControlChars.NewLine Next intX a. *** *** b. *** *** *** c. ** ** ** d. ** ** ** **
a. *** ***
The loop controlled by the correct For clause from Review Question 13 will end when the intX variable contains the number __________. a. 100 b. 111 c. 101 d. 110
a. 100
If a list box's Sorted property is set to False, how will the numbers 4, 35, 3, 1 and 12 be displayed in the list box? a. 4, 35, 3, 1, 12 b. 1, 3, 4, 12, 35 c. 1, 12, 3, 35, 4 d. 35, 12, 4, 3, 1
a. 4, 35, 3, 1, 12
Which of the following methods is used to add items to a list box? a. Add b. AddList c. Item d. ItemAdd
a. Add
The items in a list box belong to which collection? a. Items b. List c. ListItems d. Values
a. Items
Which of the following statements is equivalent to the statement dblTotal = dblTotal + dblSales? a. dblTotal += dblSales b. dblSales += dblTotal c. dblTotal =+ dblSales d. dblSales =+ dblTotal
a. dblTotal += dblSales
In addition to the sequence structure, which of the following control structures is used in flowchart A in Figure 5-46? a. selection b. repetition c. Both a and b
a. selection
In addition to the sequence structure, which of the following control structures is used in flowchart C in Figure 5-46? a. selection b. repetition c. Both a and b
a. selection
How many times will the string literal "Hi" appear in the lblMsg control? Dim intCount As Integer Do While intCount > 4 lblMsg.Text = lblMsg.Text & "Hi" & ControlChars.NewLine intCount += 1 Loop a. zero b. one c. four d. five
a. zero
Which of the following calculates the monthly payment (expressed as a positive number) for a loan of $10,000 for 2 years with a 3.5% annual interest rate? a. -Financial.Pmt(0.035, 2, 10000) b. -Financial.Pmt(0.035 / 12, 2 * 12, 10000) c. -Financial.Pmt(2 * 12, 0.035 / 12, 10000) d. -Financial.Pmt(10000, 0.035/ 12, 2 * 12)
b. -Financial.Pmt(0.035 / 12, 2 * 12, 10000)
Which of the following properties stores the index of the item selected in a list box? a. Index b. SelectedIndex c. Selection d. SelectionIndex
b. SelectedIndex
How many times will the string literal "Hi" appear in the lblMsg control? For intCount As Integer = 6 To 13 Step 2 lblMsg.Text = lblMsg.Text & "Hi" & ControlChars.NewLine Next intCount a. three b. four c. five d. eight
b. four
How many times will the string literal "Hi" appear in the lblMsg control? Dim intCount As Integer Do lblMsg.Text = lblMsg.Text & "Hi" & ControlsChars.NewLine intCount += 1 Loop While intCount > 4 a. zero b. one c. four d. five
b. one
The instructions in a __________ loop might not be processed at all, whereas the instructions in a __________ loop are always processed at least once. a. posttest, pretest b. pretest, posttest
b. pretest, posttest
In addition to the sequence structure, which of the following control structures is used in flowchart B in Figure 5-46? a. selection b. repetition c. Both a and b
b. repetition
If a list box's Sorted property is set to True, how will the numbers 4, 35, 3, 1 and 12 be displayed in the list box? a. 4, 35, 3, 1, 12 b. 1, 3, 4, 12, 35 c. 1, 12, 3, 35, 4 d. 35, 12, 4, 3, 1
c. 1, 12, 3, 35, 4
Which of the following statements can be used to code a loop whose instructions you want processed 10 times? a. Do...Loop b. For...Next c. All of the above
c. All of the above
In addition to the sequence structure, which of the following control structures is used in flowchart D in Figure 5-46? a. selection b. repetition c. Both a and b
c. Both a and b
Which event occurs when the user selects a different item in a list box? a. SelectionChanged b. SelectedItemChanged c. SelectedValueChanged d. None of the above
c. SelectedValueChanged
To make the btnCalc control the default button, you need to set the __________ property. a. btnCalc's AcceptButton b. btnCalc's DefaultButton c. form's AcceptButton d. form's DefaultButton
c. form's AcceptButton
Which of the following statements selects the fourth item in the lstNames control? a. lstNames.SelectIndex = 3 b. lstNames.SelectIndex = 4 c. lstNames.SelectedIndex = 3 d. lstNames.SelectedItem = 4
c. lstNames.SelectedIndex = 3
The computer will stop processing the loop in Review Question 6 when the intCount variable contains the number __________. a. 11 b. 12 c. 13 d. 14
d. 14
What will the following code display in the lblSum control? Dim intSum As Integer Dim intY As Integer Do While intY < 3 For intX As Integer = 1 To 4 intSum += intX Next intX intY += 1 Loop lblSum.Text = intSum.ToString a. 5 b. 8 c. 15 d. 30
d. 30
Which of the following clauses will stop the loop when the value in the intPopulation variable is less than the number 5000? a. Do While intPopulation >= 5000 b. Do Until intPopulation < 5000 c. Loop While intPopulation >= 5000 d. All of the above
d. All of the above