Deck 12: Structures and Sequential Files

Question 1

In a Structure statement, each member variable's definition contains the keyword ____ followed by the variable's name.

A) Public
B) Private
C) Dim
D) As

Answer 1

A

Question 2

The Exists method returns a(n) ____ value.

A) string
B) integer
C) Boolean
D) character

Answer 2

C

Question 3

Sending data to a file is referred to as ____ the file.

A) interfacing with
B) burning
C) reading
D) writing to

Answer 3

D

Question 4

The only time that a form's FormClosing event occurs is when the user clicks the Close button on the form's title bar.

Question 5

You refer to a member variable in an array element using the syntax ____.

A) arrayName.memberVariableName(subscript)
B) arrayName(subscript) . memberVariableName
C) arrayName(memberVariableName)(subscript)
D) arrayName(subscript).variables(memberVariableName)

Question 6

The Structure statement ends with the ____ keyword(s).

A) Stop Structure
B) Exit Structure
C) End
D) End Structure

Question 7

In most cases, an application will not need to read each line of text contained in a sequential access file.

Question 8

A form's ____ event occurs when a form is about to be closed.

A) FormClosing
B) Exiting
C) FormExit
D) FormEnding

Question 9

Programmers use ____ to group related items into one unit.

A) members
B) constants
C) scalar variables
D) structures

Question 10

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

A) StreamReaderWriter
B) StreamWriter
C) StreamRandom
D) StreamReader

Question 11

A class-level structure variable is declared using the keyword ____.

A) Dim
B) Private
C) Public
D) Structure

Question 12

The members included in a structure can be variables, constants, or procedures.

Question 13

A sequential access file is often referred to as a ____ file.

A) text
B) random
C) binary
D) byte

Question 14

The PadLeft and PadRight methods pad a string with a character until the string is a specified length.

Question 15

You can create your own data types in Visual Basic using the ____ statement.

A) Call
B) Structure
C) Data
D) Assignment

Question 16

The "____" filename extension typically is used when naming sequential access files.

A) ini
B) txt
C) wri
D) rtf

Question 17

You can use a structure to declare a variable.

Question 18

You can write data to a sequential access file using the ____ method.

A) Save
B) Write
C) Append
D) Open

Question 19

Getting data from a file is referred to as ____ the file.

A) interfacing with
B) burning
C) reading
D) writing to

Question 20

The ____ method can be used to avoid the run time error that occurs when the computer cannot locate an input file..

A) Check
B) File
C) Exists
D) Ready

Question 21

Explain what it means to access data sequentially from a sequential access file.

Question 22

Data types created by the Structure statement are referred to as ____________________ data types.

Question 23

Under what situations does a form's FormClosing event occur?

Question 24

A(n) ____ is a group of related fields that contain all of the necessary data about a specific person, place, or thing.

A) record
B) table
C) column
D) entity

Question 25

When using the ____________________ method, the next character written to a file will appear on the line immediately below the string.

Question 26

Variables included in a structure are referred to as ____________________ variables.

Question 27

Which of the following statements removes the first item from the booksList box?

A) booksListBox.Remove(0)
B) booksListBox.RemoveAt(1)
C) booksListBox.Items.RemoveAt(0)
D) booksListBox.Items.RemoveAt(1)

Question 28

Suppose a structure variable named manager contains a salary member variable. Write a statement that multiplies the contents of the salary member variable by 1.05 , and then assigns the result to the member variable.

Question 29

Explain what a delimiter character is used for.

Question 30

Variables declared using a structure are often referred to as ____________________ variables.

Question 31

A(n) ____ is a single item of information about a person, place, or thing.

A) table
B) entity
C) field
D) attribute

Question 32

You should use the ____________________ method to close an output sequential access file as soon as you are finished using it.

Question 33

Write a statement to declare a class-level variable named salaried of a structure named Employee .

Question 34

You can prevent the computer from closing a form by setting the Cancel property of the FormClosing procedure's ____ parameter to True .

A) form
B) e
C) load
D) start

Question 35

When using the Exists method for determining whether a file exists, explain what happens if you do not include a folder path.

Question 36

A form's FormClosing event can occur when the computer processes the ____ statement in the form's code.

A) My.Computer.Close()
B) MyComputer.Close()
C) Me.Close()
D) My.Close()

Question 37

Write a statement to declare a procedure-level variable named manager of a structure named Employee .

Question 38

You can use the ____ method to write a specific number of space characters in a string.

A) Strings.Space
B) Strings.Write
C) Strings.Character
D) Strings.Add

Question 39

Describe the advantage of passing a structure variable to a procedure.

Question 40

Explain the difference between a field and a record and provide an example of each.

Question 42

What is the Split function used for?