Chapter 3

[Skip Breadcrumb Navigation]

Home

Student Resources

Chapter Quizzes

Chapter 3

Chapter 3
Chapter 3 Quiz: Input, Variables, Exceptions, And Calculations

This activity contains 11 questions.

Which way does not clear a text box named txtInput for input? (hint page 99-100)

txtInput.Text = Clear()txtInput.Text = Clrscr()txtInput.Text = “”txtInput.Text = String.Empty

To break up long lines of code, the line continuation character is:

/+_?

Which statement(s) are true?

i. txtBox.Focus() put the focus, and thus the cursor, into a control called txtBox.

ii. Only controls capable of receiving some sort of input may have the focus.

iii. When an application is running and a form is displayed, one of the form’s controls always has the focus.

iv. myButton.Focus() will enable the user to press the enter key to engage the button’s commands.

i onlyall but ivall the statements are true.all but iii

Which statement(s) are true?

i. The order the controls are placed on the form determines the tab order.

ii. The tab order is permanent and can not be changed.

iii. The TabIndex property contains an integer which indicates the controls position in the tab order.

iv. The first control placed on a form has a TabIndex of 1.

all the statements are true.i and iii onlyi and ii onlyall but ii

Which statement(s) are true?

i. More than one button can be assigned the same access key, but only the first button assigned the access key will be able to utilize it during a click event.

ii. You assign an access key through the Text property.

iii. An access key is defined by placing an ampersand (&) behind the first letter of the text the button is to contain. This will underline the first letter and make that letter an access key.

iv. In order to use an ampersand in the button’s text, you simply type two of them (&&) together, and only one will appear in the text..

all but iall but iiiii onlyall the statements are true.

Which is not a correctly formatted assignment statement?

myLength = 112112 = myNumber myGreeting = “Hello ” & txtFirstName.TextmyVariable = txtName.Text

Which statement(s) are not true?

i. A variable is a name that represents a storage location in the computer’s RAM.

ii. To declare a variable you use a DIM statement.

iii. Variable names have the same naming convention as control names.

iv. A variables data type determines the amount of memory that variable uses.

i and iiall the statements are trueall but iiiall but ii

The difference between Decimal and Double data types is:

A Double value type may hold larger numbers than a Decimal value type, but with less precision.A Double value type has greater precision than a Decimal value.A Decimal value type is not suitable for very precise calculations.A Decimal value type holds a Real value, while a Double value type holds Integers

Which statement(s) are true?

i. A variable can not be used before it is declared.

ii. Implicit type conversion is when Visual Basic attempts to convert one value type to another value type through an assignment statement.

iii. When Option Strict is set to On any conversion, other than a widening conversion, will cause the code not to compile.

iv. CStr(expr) converts a numerical, Boolean, Date or string expression to a String.

all but iiii onlyall the statements are true.all but iv

How many decimal places does the FormatNumber function format a number to by default?

3241

Which statement(s) about Group Boxes are true?

i. The title for the Group Box is stored in the Group Box’s Text property.

ii. To place a control inside a Group Box, select the existing Group Box control, and then double click the desired tool within the toolbox to place the control within the Group Box.

iii. To place a control inside a Group Box, select the existing Group Box control, and then click on the desired tool within the toolbox and draw the control within the Group Box.

iv. Group Box controls can receive the focus, and have an access key assigned to them.

all but ivall the statements are true.i onlyall but iii

The Clear Answers and Start Over feature requires scripting to function. Your browser either does not support scripting or you have turned scripting off.

So, the Clear Answers and Start Over button below will not work.

The following Clear Answers button is provided in its place and will clear your answers:

Your browser either does not support scripting or you have turned scripting off. Because of this, the answer choices will NOT appear in a different order each time the page is loaded, though that is mentioned below. Note that you do not need this feature to use this site.

Answer choices in this exercise appear in a different order each time the page is loaded.

Legal and Privacy Terms