Question 1

The ________ marker is the character that marks the end of a file, and is automatically written when the file is closed.

Accepted Answer

A) End of File (EOF) 
B) No More Data (NM
D)  
C) Data Stream Close (DS
C)  
D) Data Read Stop (DRS) 
E) None of these 
A) End of File (EOF) 
B) No More Data (NM
D)  
C) Data Stream Close (DS
C)  
D) Data Read Stop (DRS) 
E) None of these A

Question 2

In order, the three-step process of using a file in a C++ program involves:

Accepted Answer

A) Insert a disk, open a file, remove the disk 
B) Create the file contents, close the file, name the file 
C) Open the file, read/write/save data, close the file 
D) Name the file, open the file, delete the file 
E) None of these 
A) Insert a disk, open a file, remove the disk 
B) Create the file contents, close the file, name the file 
C) Open the file, read/write/save data, close the file 
D) Name the file, open the file, delete the file 
E) None of these C

Question 3

This term means non-sequentially accessing information in a file.

Accepted Answer

A) linear access 
B) incremented access 
C) random access 
D) protected access 
E) None of these 
A) linear access 
B) incremented access 
C) random access 
D) protected access 
E) None of these C

Question 4

When used by itself, the ios::app flag causes the file's existing contents to be deleted if the file already exists.

Accepted Answer

A) True 
 B)False

Question 5

To write to a file, you use the file_write()function.

Accepted Answer

A) True 
 B)False

Question 6

The ios::out flag causes the file's existing contents to be deleted if the file already exists.

Accepted Answer

A) True 
 B)False

Question 7

Which statement opens a file and links it to a file stream object?

Accepted Answer

A) open(aFile)= link(anObject); 
B) file.open("c:\filename.txt"); 
C) linkstream("filename.txt"); 
D) link(open(filename.txt")); 
E) None of these 
A) open(aFile)= link(anObject); 
B) file.open("c:\filename.txt"); 
C) linkstream("filename.txt"); 
D) link(open(filename.txt")); 
E) None of these

Question 8

This member function can be used to store binary data to a file.

Accepted Answer

A) binary.out 
B) write 
C) put << 
D) dataout(binary) 
E) None of these 
A) binary.out 
B) write 
C) put << 
D) dataout(binary) 
E) None of these

Question 9

This data type can be used to create files, read data from them, and write data to them.

Accepted Answer

A) ofstream 
B) iftream 
C) fstream 
D) stream 
E) None of these 
A) ofstream 
B) iftream 
C) fstream 
D) stream 
E) None of these

Question 10

This member function reads a single character from a file.

Accepted Answer

A) read 
B) get 
C) put 
D) input 
E) None of these 
A) read 
B) get 
C) put 
D) input 
E) None of these

Question 11

When you store data in a variable, it is automatically saved in a file.

Accepted Answer

A) True 
 B)False

Question 12

This state bit can be tested to see if the end of an input stream is encountered.

Accepted Answer

A) ios::eof 
B) ios::eofbit 
C) ios::failbit 
D) ios::badbit 
E) None of these 
A) ios::eof 
B) ios::eofbit 
C) ios::failbit 
D) ios::badbit 
E) None of these

Question 13

This data type can be used to create files and write information to them but cannot be used to read information from them.

Accepted Answer

A) ofstream 
B) ifstream 
C) afstream 
D) outstream 
E) None of these 
A) ofstream 
B) ifstream 
C) afstream 
D) outstream 
E) None of these

Question 14

To set up a file to perform file I/O, you must declare:

Accepted Answer

A) at least one variable, the contents of which will be written to the file 
B) one or more file stream objects 
C) a string object to store the file contents 
D) All of these 
E) None of these 
A) at least one variable, the contents of which will be written to the file 
B) one or more file stream objects 
C) a string object to store the file contents 
D) All of these 
E) None of these

Question 15

What is true about the following statement?

Accepted Answer

A) If the file already exists, its contents are preserved and all output is written to the end of the file. 
B) If the file exists, it should be replaced with a new copy of values.dat. 
C) If the file exists, it can be opened but not modified. 
D) None of these 
A) If the file already exists, its contents are preserved and all output is written to the end of the file. 
B) If the file exists, it should be replaced with a new copy of values.dat. 
C) If the file exists, it can be opened but not modified. 
D) None of these

Question 16

Which of the following statements opens the file info.txt for both input and output?

Accepted Answer

A) dataFile.open("info.txt", ios::in && ios::out); 
B) dataFile.open("info.txt", ios::in , ios::out); 
C) dataFile.open("info.txt", input || output); 
D) dataFile.open("info.txt", ios::in | ios::out); 
A) dataFile.open("info.txt", ios::in && ios::out); 
B) dataFile.open("info.txt", ios::in , ios::out); 
C) dataFile.open("info.txt", input || output); 
D) dataFile.open("info.txt", ios::in | ios::out);

Question 17

The ios::hardfail bit is set when an unrecoverable error occurs.

Accepted Answer

A) True 
 B)False

Question 18

The setprecision manipulator cannot be used to format data written to a file.

Accepted Answer

A) True 
 B)False

Question 19

When a file is opened, the file stream object's "read position" is ________.

Accepted Answer

A) at the end of the file 
B) at the beginning of the file 
C) nonexistent, until the programmer declares it 
D) in the middle of the file 
E) None of these 
A) at the end of the file 
B) at the beginning of the file 
C) nonexistent, until the programmer declares it 
D) in the middle of the file 
E) None of these

Question 20

To access files from a C++ program, you must use this directive:

Accepted Answer

A) #include B) #include C) #include D) #include E) None of these A) #include B) #include C) #include D) #include E) None of these

The ________ marker is the character that marks the end of a file, and is automatically written when the file is closed.

In order, the three-step process of using a file in a C++ program involves:

This term means non-sequentially accessing information in a file.

When used by itself, the ios::app flag causes the file's existing contents to be deleted if the file already exists.

To write to a file, you use the file_write()function.

The ios::out flag causes the file's existing contents to be deleted if the file already exists.

Which statement opens a file and links it to a file stream object?

This member function can be used to store binary data to a file.

This data type can be used to create files, read data from them, and write data to them.

This member function reads a single character from a file.

When you store data in a variable, it is automatically saved in a file.

This state bit can be tested to see if the end of an input stream is encountered.

This data type can be used to create files and write information to them but cannot be used to read information from them.

To set up a file to perform file I/O, you must declare:

What is true about the following statement?

Which of the following statements opens the file info.txt for both input and output?

The ios::hardfail bit is set when an unrecoverable error occurs.

The setprecision manipulator cannot be used to format data written to a file.

When a file is opened, the file stream object's "read position" is ________.

To access files from a C++ program, you must use this directive:

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 12: Advanced File Operations

The ________ marker is the character that marks the end of a file, and is automatically written when the file is closed.

In order, the three-step process of using a file in a C++ program involves:

This term means non-sequentially accessing information in a file.

When used by itself, the ios::app flag causes the file's existing contents to be deleted if the file already exists.

To write to a file, you use the file_write()function.

The ios::out flag causes the file's existing contents to be deleted if the file already exists.

Which statement opens a file and links it to a file stream object?

This member function can be used to store binary data to a file.

This data type can be used to create files, read data from them, and write data to them.

This member function reads a single character from a file.

When you store data in a variable, it is automatically saved in a file.

This state bit can be tested to see if the end of an input stream is encountered.

This data type can be used to create files and write information to them but cannot be used to read information from them.

To set up a file to perform file I/O, you must declare:

What is true about the following statement?

Which of the following statements opens the file info.txt for both input and output?

The ios::hardfail bit is set when an unrecoverable error occurs.

The setprecision manipulator cannot be used to format data written to a file.

When a file is opened, the file stream object's "read position" is ________.

To access files from a C++ program, you must use this directive:

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters