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Exam 11: Data Files

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Question 1

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

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

E) A) and C)
F) C) and D)

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Question 2

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

A) True
B) False

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Question 3

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

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.

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

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

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

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

The Peek method reads the next data element in a data 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 StreamReader is used to create a data file.

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

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

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.

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

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

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

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

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

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