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Exam 10: Structures and Sequential Access Files

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Question 1

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You should use the ____ method to close a sequential access file as soon as you are finished using it.

A) Exit
B) Close
C) End
D) Quit

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Question 2

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Case-Based Critical Thinking Questions Case 1 - Frames Unlimited Frames Unlimited is a wholesale picture and poster frame business. Frame data is stored in sequential access files that contain four columns: item number, item name, size, and price. Which of the following statements should be used first when opening the input file?

A) If IO.File.Exists("pictureFrame57.txt") Then
B) If IO.File.Exists("pictureFrame.txt") Then
C) inFile = IO.File.OpenText("pictureFrame57.txt")
D) inFile = IO.File.OpenText("pictureFrame.txt")

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Question 3

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Case-Based Critical Thinking Questions Case 1 - Frames Unlimited Frames Unlimited is a wholesale picture and poster frame business. Frame data is stored in sequential access files that contain four columns: item number, item name, size, and price. You need to create a report using the pictureFrame.txt sequential access file. The report provides a list of all picture frames with a size of 5x7. The report will be saved as another sequential access file named pictureFrame57.txt. Your first step is to ____.

Write the code to declare a variable named outFile that can be used to write data to a sequential access file. Then write the statement to open a sequential access file named customers.txt for output.

Which of the following determines whether an item is selected in the lstTrees control?

Files to which information is written are called input files.

Files that are read by the computer are called ____ files.

Write a Structure statement that defines a structure named Vehicle. The structure contains three member variables named strMake , strModel , and intYear . Then write the Private statement that declares a Vehicle variable named truck .

Write the statement that would remove the selected item from the lstFlowers control if an item is selected.

You use the ____ member access operator to separate the structure variable's name from the member variable's name.

What is the difference between a structure and a structure variable?

Assume that the variable amount contains the value 46. How many characters will be padded in the statement below? amount = amount.ToString.PadLeft(5)

What is the difference between an input file and an output file?

Which of the following declares a StreamReader variable named newFile ?

In Visual Basic, you use a(n) ____ to write a stream of characters to a sequential access file.

In addition to getting data from the keyboard and sending data to the computer screen, an application can also get data from and send data to a file on a disk.

The ____ method writes a newline character after the data.

You cannot include an array in a structure.

Which of the following removes the sixth item from the lstTrees control?

In Visual Basic, you use a(n) ____ to read data from a sequential access file.