Question 1

The Peek method reads the next data element in a data file.

Accepted Answer

A) True 
 B)False  False

Question 2

VbCrLf is a VB intrinsic constant for a carriage return and a line feed.

Accepted Answer

A) True 
 B)False  True

Question 3

Using a text editor such as Notepad,you can view the contents of a data file with a .txt file extension.

Accepted Answer

A) True 
 B)False  True

Question 4

In the statement,PhoneStreamWriter.WriteLine(NameTextBox.Text),NameTextBox.Text refers to _______.

Accepted Answer

A) the record number 
B) the variable that will store the data in NameTextBox 
C) the data file number 
D) the Text property of the object that contains the data that will be written to disk 
A) the record number 
B) the variable that will store the data in NameTextBox 
C) the data file number 
D) the Text property of the object that contains the data that will be written to disk

Question 5

A delimited file is a data file that has all of the data stored on one line.

Accepted Answer

A) True 
 B)False

Question 6

If you use the following line of code: Dim TestStreamWriter as New StreamWriter("Test.txt")and the file,Test.txt,already exists,a new file will be created and the existing file will be overwritten.

Accepted Answer

A) True 
 B)False

Question 7

What is the purpose of "WriteLine" in the following statement? PhoneStreamWriter.WriteLine(NameTextBox.Text)

Accepted Answer

A) WriteLine refers to the number of fields in the record. 
B) WriteLine will display the content of NameTextBox.Text in a label named phoneStreamWriter. 
C) WriteLine will write the data in the NameTextBox.Text textbox to the data file. 
D) WriteLine will create a data file named NameTextBox.txt. 
A) WriteLine refers to the number of fields in the record. 
B) WriteLine will display the content of NameTextBox.Text in a label named phoneStreamWriter. 
C) WriteLine will write the data in the NameTextBox.Text textbox to the data file. 
D) WriteLine will create a data file named NameTextBox.txt.

Question 8

Each element in a data file must be read in the same sequence as it was written.

Accepted Answer

A) True 
 B)False

Question 9

New data will be appended to the existing data file if you are using a StreamWriter that specifies the name of a data file that already exists and the code does not include a value for the BooleanAppend argument.

Accepted Answer

A) True 
 B)False

Question 10

Use the StreamReader's Peek method to determine if there is more data in a file.

Accepted Answer

A) True 
 B)False

Question 11

The StreamReader is used to create a data file.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following will occur if you are opening a data file with the StreamReader object and the file does not exist?

Accepted Answer

A) The file will be created. 
B) An exception will occur. 
C) VB will automatically use the last file created with the StreamWriter. 
D) VB will shut down the computer. 
A) The file will be created. 
B) An exception will occur. 
C) VB will automatically use the last file created with the StreamWriter. 
D) VB will shut down the computer.

Question 13

The WriteAllText()method reads data from a text file.

Accepted Answer

A) True 
 B)False

Question 14

When you are finished working with a data file,you should _______ the file.

Accepted Answer

A) Close 
B) Append 
C) Output 
D) Answers A and B are both correct 
A) Close 
B) Append 
C) Output 
D) Answers A and B are both correct

Question 15

You can load data from a data file into a list box during run time by looping through the file and adding the file elements into the list.

Accepted Answer

A) True 
 B)False

Question 16

The StreamWriter's Close method does not always release the information in the buffer that is related to that file.

Accepted Answer

A) True 
 B)False

Question 17

It is not necessary to use a Try/Catch block when declaring a StreamReader object.

Accepted Answer

A) True 
 B)False

Question 18

When reading data in a data file,the data will be read _______.

Accepted Answer

A) in alphabetical order 
B) in the order in which it was written 
C) in key field order 
D) in random order 
A) in alphabetical order 
B) in the order in which it was written 
C) in key field order 
D) in random order

Question 19

A new data file will be created if the filename does not exist when declaring a new StreamWriter object.

Accepted Answer

A) True 
 B)False

Question 20

The _______ method of My.Computer.FileSystem is used to read an entire file into a single string.

Accepted Answer

A) WriteAllText 
B) ReadAllText 
C) ReadLine 
D) WriteLine 
A) WriteAllText 
B) ReadAllText 
C) ReadLine 
D) WriteLine

The Peek method reads the next data element in a data file.

VbCrLf is a VB intrinsic constant for a carriage return and a line feed.

Using a text editor such as Notepad,you can view the contents of a data file with a .txt file extension.

In the statement,PhoneStreamWriter.WriteLine(NameTextBox.Text),NameTextBox.Text refers to _______.

A delimited file is a data file that has all of the data stored on one line.

If you use the following line of code: Dim TestStreamWriter as New StreamWriter("Test.txt")and the file,Test.txt,already exists,a new file will be created and the existing file will be overwritten.

What is the purpose of "WriteLine" in the following statement? PhoneStreamWriter.WriteLine(NameTextBox.Text)

Each element in a data file must be read in the same sequence as it was written.

New data will be appended to the existing data file if you are using a StreamWriter that specifies the name of a data file that already exists and the code does not include a value for the BooleanAppend argument.

Use the StreamReader's Peek method to determine if there is more data in a file.

The StreamReader is used to create a data file.

Which of the following will occur if you are opening a data file with the StreamReader object and the file does not exist?

The WriteAllText()method reads data from a text file.

When you are finished working with a data file,you should _______ the file.

You can load data from a data file into a list box during run time by looping through the file and adding the file elements into the list.

The StreamWriter's Close method does not always release the information in the buffer that is related to that file.

It is not necessary to use a Try/Catch block when declaring a StreamReader object.

When reading data in a data file,the data will be read _______.

A new data file will be created if the filename does not exist when declaring a new StreamWriter object.

The _______ method of My.Computer.FileSystem is used to read an entire file into a single string.

Introduction to Visual Basic 2010

User Interface Design

Variables, Constants, and Calculations

Decisions and Conditions

Menus, Common Dialog Boxes, Sub Procedures, and Function

Multiform Projects

Lists, loops, and Printing

Arrays and Collections

Web Applications

Database Applications

OOP: Creating Object-Oriented Programs

Graphics, Animation, Sound, and Drag-And-Drop

Additional Topics in Visual Basic

Filters

Exam 11: Data Files

The Peek method reads the next data element in a data file.

VbCrLf is a VB intrinsic constant for a carriage return and a line feed.

Using a text editor such as Notepad,you can view the contents of a data file with a .txt file extension.

In the statement,PhoneStreamWriter.WriteLine(NameTextBox.Text),NameTextBox.Text refers to _______.

A delimited file is a data file that has all of the data stored on one line.

If you use the following line of code: Dim TestStreamWriter as New StreamWriter("Test.txt")and the file,Test.txt,already exists,a new file will be created and the existing file will be overwritten.

What is the purpose of "WriteLine" in the following statement? PhoneStreamWriter.WriteLine(NameTextBox.Text)

Each element in a data file must be read in the same sequence as it was written.

New data will be appended to the existing data file if you are using a StreamWriter that specifies the name of a data file that already exists and the code does not include a value for the BooleanAppend argument.

Use the StreamReader's Peek method to determine if there is more data in a file.

The StreamReader is used to create a data file.

Which of the following will occur if you are opening a data file with the StreamReader object and the file does not exist?

The WriteAllText()method reads data from a text file.

When you are finished working with a data file,you should _______ the file.

You can load data from a data file into a list box during run time by looping through the file and adding the file elements into the list.

The StreamWriter's Close method does not always release the information in the buffer that is related to that file.

It is not necessary to use a Try/Catch block when declaring a StreamReader object.

When reading data in a data file,the data will be read _______.

A new data file will be created if the filename does not exist when declaring a new StreamWriter object.

The _______ method of My.Computer.FileSystem is used to read an entire file into a single string.

Introduction to Visual Basic 2010

User Interface Design

Variables, Constants, and Calculations

Decisions and Conditions

Menus, Common Dialog Boxes, Sub Procedures, and Function

Multiform Projects

Lists, loops, and Printing

Arrays and Collections

Web Applications

Database Applications

OOP: Creating Object-Oriented Programs

Graphics, Animation, Sound, and Drag-And-Drop

Additional Topics in Visual Basic

Filters