Question 1

What are the Convert class methods and why are they sometimes used instead of conversion functions?

Accepted Answer

The Convert class contains methods that return the result of converting a value to a specified data type.They are used to convert a number (rather than a string)from one data type to another.The Convert class methods are also used because they can be used in any of the languages built into Visual Studio.The conversion functions can only be used in the Visual Basic language.

Question 2

An application allows a user to enter an item price and a quantity to be used in a calculation.The item price may contain a decimal place,and the quantity will always be a whole number.Write the appropriate Dim statements to declare the variables.Write the related statements needed to convert the strings entered by the user into numeric data types.

Accepted Answer

Dim decItemPrice As Decimal
Dim intQuantity As Integer
Decimal.TryParse(txtItemPrice.Text,decItemPrice)
Integer.TryParse(txtQuantity.Text,intQuantity)

Question 3

The ____ clause in an event procedure's header indicates the object and event associated with the procedure.

Accepted Answer

A) Handles 
B) Private 
C) Local 
D) Associate 
A) Handles 
B) Private 
C) Local 
D) Associate A

Question 4

A memory variable that is a Double data type requires ____ bytes of storage.

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 5

Object and String variables are automatically initialized using ____.

Accepted Answer

A) spaces 
B) the keyword Nothing (no data at all) 
C) the word "Nothing" 
D) 0 
A) spaces 
B) the keyword Nothing (no data at all) 
C) the word "Nothing" 
D) 0

Question 6

Write a statement to display an input dialog box that shows "Car Make:" as the prompt,"Car" in the title bar,and an empty input area.When the user closes the dialog box,the assignment statement assigns the function's return value to the strCar variable.

Accepted Answer

strCar = I

Question 7

When using the Visual Basic 2015 InputBox function,which of the following is the Windows standard?

Accepted Answer

A) sentence capitalization for both the prompt and the title 
B) book title capitalization for the title and sentence capitalization for the prompt 
C) book title capitalization for both the prompt and the title 
D) Pascal case for both the prompt and the title 
A) sentence capitalization for both the prompt and the title 
B) book title capitalization for the title and sentence capitalization for the prompt 
C) book title capitalization for both the prompt and the title 
D) Pascal case for both the prompt and the title

Question 8

Date variables are automatically set to which value when created?

Accepted Answer

A) 1/1/1980 12:00:00 AM 
B) 1/1/2000 12:00:00 AM 
C) 1/1/0001 12:00:00 AM 
D) 1/1/0000 12:00:00 AM 
A) 1/1/1980 12:00:00 AM 
B) 1/1/2000 12:00:00 AM 
C) 1/1/0001 12:00:00 AM 
D) 1/1/0000 12:00:00 AM

Question 9

You use the ____ operator to concatenate strings together.

Accepted Answer

A) @ 
B) % 
C) & 
D) # 
A) @ 
B) % 
C) & 
D) #

Question 10

When a button is selected,the computer processes the code contained in the button's ____ event procedure.

Accepted Answer

A) Submit 
B) Press 
C) On 
D) Click 
A) Submit 
B) Press 
C) On 
D) Click

Question 11

A variable declared in the Declaration section of a form is called a procedure-level variable.

Accepted Answer

A) True 
 B)False

Question 12

You declare a class-level variable using the ____ keyword.

Accepted Answer

A) Dim 
B) Mod 
C) Private 
D) Static 
A) Dim 
B) Mod 
C) Private 
D) Static

Question 13

The strFirstName and strLastName variables contain the strings "Jane" and "Jones",respectively.Which of the following statements will display a string as "Jones,Jane" (the last name,a comma,a space,and the first name)in the lblFullName control?

Accepted Answer

A) lblFullName = strLastName, & strFirstName 
B) lblFullName = strLastName & ", " strFirstName 
C) lblFullName = strLastName & ", " & strFirstName 
D) none of the above 
A) lblFullName = strLastName, & strFirstName 
B) lblFullName = strLastName & ", " strFirstName 
C) lblFullName = strLastName & ", " & strFirstName 
D) none of the above

Question 14

The decBalance variable contains the number 1368.52.Write the assignment statement to display the value with a dollar sign,a thousands separator,and two decimal places in the lblBalance control.

Accepted Answer

lblBalance

Question 15

A default button is identified by setting the form's ____ property.

Accepted Answer

A) AcceptButton 
B) DefaultButton 
C) SelectedButton 
D) CancelButton 
A) AcceptButton 
B) DefaultButton 
C) SelectedButton 
D) CancelButton

Question 16

A local gym needs an application to apply a 10% discount for all new members who present a coupon during enrollment.Write the statements to declare a variable to record if a customer has a coupon,and to assign the discount rate.The discount rate will not change while the application is running.

Accepted Answer

Dim blnCoupon As Boo

Question 17

Which of the following statements declares a class-level variable?

Accepted Answer

A) Private Dim dblHeight As Double 
B) Dim dblHeight As Double 
C) Class dblHeight As Double 
D) Private dblHeight As Double 
A) Private Dim dblHeight As Double 
B) Dim dblHeight As Double 
C) Class dblHeight As Double 
D) Private dblHeight As Double

Question 18

A control's ____ event occurs when a change is made to the contents of a control's Text property.

Accepted Answer

A) CodeChanged 
B) TextChanged 
C) ChangedText 
D) TextModified 
A) CodeChanged 
B) TextChanged 
C) ChangedText 
D) TextModified

Question 19

A procedure in an application needs to store data used to calculate the total price of purchasing tires.The price of the tires will contain a decimal place.The number of tires will always be a whole number.Write the appropriate Dim statements to declare the variables.Make sure to use appropriate naming conventions.

Accepted Answer

Dim decPri

Question 20

The line continuation character is a(n)____.

Accepted Answer

A) ampersand (&) 
B) underscore (_) 
C) equal sign (=) 
D) pound sign (#) 
A) ampersand (&) 
B) underscore (_) 
C) equal sign (=) 
D) pound sign (#)

What are the Convert class methods and why are they sometimes used instead of conversion functions?

The ____ clause in an event procedure's header indicates the object and event associated with the procedure.

A memory variable that is a Double data type requires ____ bytes of storage.

Object and String variables are automatically initialized using ____.

Write a statement to display an input dialog box that shows "Car Make:" as the prompt,"Car" in the title bar,and an empty input area.When the user closes the dialog box,the assignment statement assigns the function's return value to the strCar variable.

When using the Visual Basic 2015 InputBox function,which of the following is the Windows standard?

Date variables are automatically set to which value when created?

You use the ____ operator to concatenate strings together.

When a button is selected,the computer processes the code contained in the button's ____ event procedure.

A variable declared in the Declaration section of a form is called a procedure-level variable.

You declare a class-level variable using the ____ keyword.

The strFirstName and strLastName variables contain the strings "Jane" and "Jones",respectively.Which of the following statements will display a string as "Jones,Jane" (the last name,a comma,a space,and the first name)in the lblFullName control?

The decBalance variable contains the number 1368.52.Write the assignment statement to display the value with a dollar sign,a thousands separator,and two decimal places in the lblBalance control.

A default button is identified by setting the form's ____ property.

A local gym needs an application to apply a 10% discount for all new members who present a coupon during enrollment.Write the statements to declare a variable to record if a customer has a coupon,and to assign the discount rate.The discount rate will not change while the application is running.

Which of the following statements declares a class-level variable?

A control's ____ event occurs when a change is made to the contents of a control's Text property.

The line continuation character is a(n)____.

An Introduction to Visual Basic 2015

Designing Applications

The Selection Structure

More on the Selection Structure

The Repetition Structure

Sub and Function Procedures

String Manipulation

Arrays

Structures and Sequential Access Files

Classes and Objects

Web Applications

Working With Access Databases and Linq

Access Databases and SQL

Filters

Exam 3: Using Variables and Constants

What are the Convert class methods and why are they sometimes used instead of conversion functions?

The ____ clause in an event procedure's header indicates the object and event associated with the procedure.

A memory variable that is a Double data type requires ____ bytes of storage.

Object and String variables are automatically initialized using ____.

Write a statement to display an input dialog box that shows "Car Make:" as the prompt,"Car" in the title bar,and an empty input area.When the user closes the dialog box,the assignment statement assigns the function's return value to the strCar variable.

When using the Visual Basic 2015 InputBox function,which of the following is the Windows standard?

Date variables are automatically set to which value when created?

You use the ____ operator to concatenate strings together.

When a button is selected,the computer processes the code contained in the button's ____ event procedure.

A variable declared in the Declaration section of a form is called a procedure-level variable.

You declare a class-level variable using the ____ keyword.

The strFirstName and strLastName variables contain the strings "Jane" and "Jones",respectively.Which of the following statements will display a string as "Jones,Jane" (the last name,a comma,a space,and the first name)in the lblFullName control?

The decBalance variable contains the number 1368.52.Write the assignment statement to display the value with a dollar sign,a thousands separator,and two decimal places in the lblBalance control.

A default button is identified by setting the form's ____ property.

A local gym needs an application to apply a 10% discount for all new members who present a coupon during enrollment.Write the statements to declare a variable to record if a customer has a coupon,and to assign the discount rate.The discount rate will not change while the application is running.

Which of the following statements declares a class-level variable?

A control's ____ event occurs when a change is made to the contents of a control's Text property.

The line continuation character is a(n)____.

An Introduction to Visual Basic 2015

Designing Applications

The Selection Structure

More on the Selection Structure

The Repetition Structure

Sub and Function Procedures

String Manipulation

Arrays

Structures and Sequential Access Files

Classes and Objects

Web Applications

Working With Access Databases and Linq

Access Databases and SQL

Filters