CS 146 Quiz 3
The symbol for the string concatenation operator is
&
Suppose the Double variable num has the value 123.4567. What value will the following statement assign to num? num = Math.Round(num, 2)
123.46
What value will be assigned to the numeric variable x when the following statement is executed? x = 2 + 3 * 4
14
Given x = 3 and y = 1, what value will be assigned to the Double variable w when the following statement is executed? w = (x + y) / (x - y)
2
What will be the contents of the variable x after the following statement is executed? x = Math.Sqrt(((9 + 7) / (4 * 2)) + 2)
2
What will be the output of the following line? txtBox.Text = "2" & 3
23
What is the value of Int(8.9)?
8
What will be displayed when the following lines are executed? Dim x As Double = 3 y As Double = 1 Dim z As Double z = x + (y * x) x = y z = x + z lstBox.Items.Add(x + y + z)
9
Suppose Option Strict On is used and the variable balance is declared as double. The following statement will assign the content of the text box to balance correctly. balance = txtbox.Text
False
The following two statements are equivalent. var1 = var2 var2 = var1
False
The statement a + b = c assigns to c the sum of the values of a and b.
False
What message will be displayed by the following statement: MessageBox.Show("This is a test.", "Test")
This is a test.
The following statement is valid. c += 1
True
The following statement is valid. y = y + 72
True
The value of (11 Mod 2) is 1.
True
Which of the following statements removes all text from lstBox?
lstBox.Items.Clear()
Which statement prompts the user for a name and then assigns the name to the string variable strName?
strName = InputBox("What is your first name?", "First Name")
Which statement can be used to clear the contents of a text box?
txtBox.Text = ""
Which statement will display the words "Hello World" in a text box?
txtBox.Text = "Hello" & " World"
What is the correct syntax for displaying the value of the String variable myString in a text box?
txtBox.Text = myString