Question 1

When a file is opened for reading, 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 the above 
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 the above B

Question 2

The operating system records the information that tracks the end of the file

Accepted Answer

A)  when a file is opened with ios::eof. 
B)  when a file is opened with ios::app. 
C)  when a file is closed. 
D)  when the program ends. 
E)  None of the above 
A)  when a file is opened with ios::eof. 
B)  when a file is opened with ios::app. 
C)  when a file is closed. 
D)  when the program ends. 
E)  None of the above C

Question 3

When used by itself, ________ causes a file's contents to be deleted if the file already exists.

Accepted Answer

A)  ios:app 
B)  ios::in 
C)  ios::out 
D)  All of the above 
E)  None of the above 
A)  ios:app 
B)  ios::in 
C)  ios::out 
D)  All of the above 
E)  None of the above C

Question 4

The stream member function fail() can be used to determine whether the last operation performed on a stream was successful.

Accepted Answer

A) True 
 B)False

Question 5

An alternative to using the open member function is to use the file stream object declaration itself to open the file.
Example: fstream dataFile("names.dat",ios::in|ios::out);

Accepted Answer

A) True 
 B)False

Question 6

Opening a file with the flags ios::in | ios::out will preserve the contents of the file if the file already exists.

Accepted Answer

A) True 
 B)False

Question 7

The ________ member function reports when the end of a file has been found.

Accepted Answer

A)  end() 
B)  stop() 
C)  done() 
D)  eof() 
E)  None of the above 
A)  end() 
B)  stop() 
C)  done() 
D)  eof() 
E)  None of the above

Question 8

Outside of a C++ program, a file is identified by its ________. Inside a C++ program, a file is accessed through a ________.

Accepted Answer

A)  file number, file name 
B)  file name, file number 
C)  name, address 
D)  name, file stream object 
E)  None of the above 
A)  file number, file name 
B)  file name, file number 
C)  name, address 
D)  name, file stream object 
E)  None of the above

Question 9

A file must be ________ before data can be written to or read from it.

Accepted Answer

A)  closed 
B)  opened 
C)  declared 
D)  initialized 
E)  None of the above 
A)  closed 
B)  opened 
C)  declared 
D)  initialized 
E)  None of the above

Question 10

File output may be formatted the same way as screen output.

Accepted Answer

A) True 
 B)False

Question 11

The ________ may be used to read information from a file.

Accepted Answer

A)  cout object 
B)  the stream insertion operator 
C)  file.in macro 
D)  stream extraction operator 
E)  None of the above 
A)  cout object 
B)  the stream insertion operator 
C)  file.in macro 
D)  stream extraction operator 
E)  None of the above

Question 12

string objects cannot be stored to a binary file without further processing because they contain pointers.

Accepted Answer

A) True 
 B)False

Question 13

Which statement opens a file in such a way that information will only be written to its end?

Accepted Answer

A)  dataFile(open.append("info.dat"); 
B)  dataFile.open("info.dat", ios::out | ios::app); 
C)  dataFile.open = "C:\info.dat" ios:append; 
D)  open(dataFile.append); 
E)  None of the above 
A)  dataFile(open.append("info.dat"); 
B)  dataFile.open("info.dat", ios::out | ios::app); 
C)  dataFile.open = "C:\info.dat" ios:append; 
D)  open(dataFile.append); 
E)  None of the above

Question 14

The state bit, ________, can be tested to see if the end of an input stream has been encountered.

Accepted Answer

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

Question 15

The statement dataFile.close();

Accepted Answer

A)  is illegal in C++. 
B)  needs a file name argument to execute correctly. 
C)  closes a file. 
D)  is legal but risks losing valuable data. 
E)  None of the above 
A)  is illegal in C++. 
B)  needs a file name argument to execute correctly. 
C)  closes a file. 
D)  is legal but risks losing valuable data. 
E)  None of the above

Question 16

All stream objects have ________ that indicate the condition of the stream.

Accepted Answer

A)  error state bits 
B)  condition statements 
C)  markers 
D)  intrinsic error messages 
E)  None of the above 
A)  error state bits 
B)  condition statements 
C)  markers 
D)  intrinsic error messages 
E)  None of the above

Question 17

ofstream, ifstream, and fstream are

Accepted Answer

A)  header files. 
B)  libraries. 
C)  data types. 
D)  string arrays. 
E)  None of the above 
A)  header files. 
B)  libraries. 
C)  data types. 
D)  string arrays. 
E)  None of the above

Question 18

The member function ________ writes a single character to a file.

Accepted Answer

A)  get 
B)  write 
C)  put 
D)  insert 
E)  None of the above 
A)  get 
B)  write 
C)  put 
D)  insert 
E)  None of the above

Question 19

To access files from a C++ program, you must #include

Accepted Answer

A) . B) . C) . D) . E) None of the above A) . B) . C) . D) . E) None of the above

Question 20

The state bit ________ is set when an attempted operation has failed.

Accepted Answer

A)  ios::failbit 
B)  ios::badbit 
C)  ios::hardfail 
D)  ios::goodbit 
E)  None of the above 
A)  ios::failbit 
B)  ios::badbit 
C)  ios::hardfail 
D)  ios::goodbit 
E)  None of the above

When a file is opened for reading, the file stream object's "read position" is

The operating system records the information that tracks the end of the file

When used by itself, ________ causes a file's contents to be deleted if the file already exists.

The stream member function fail() can be used to determine whether the last operation performed on a stream was successful.

An alternative to using the open member function is to use the file stream object declaration itself to open the file. Example: fstream dataFile("names.dat",ios::in|ios::out);

Opening a file with the flags ios::in | ios::out will preserve the contents of the file if the file already exists.

The ________ member function reports when the end of a file has been found.

Outside of a C++ program, a file is identified by its . Inside a C++ program, a file is accessed through a .

A file must be ________ before data can be written to or read from it.

File output may be formatted the same way as screen output.

The ________ may be used to read information from a file.

string objects cannot be stored to a binary file without further processing because they contain pointers.

Which statement opens a file in such a way that information will only be written to its end?

The state bit, ________, can be tested to see if the end of an input stream has been encountered.

The statement dataFile.close();

All stream objects have ________ that indicate the condition of the stream.

ofstream, ifstream, and fstream are

The member function ________ writes a single character to a file.

To access files from a C++ program, you must #include

The state bit ________ is set when an attempted operation has failed.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Binary Trees

Filters

Exam 13: Advanced File and Io Operations

When a file is opened for reading, the file stream object's "read position" is

The operating system records the information that tracks the end of the file

When used by itself, ________ causes a file's contents to be deleted if the file already exists.

The stream member function fail() can be used to determine whether the last operation performed on a stream was successful.

An alternative to using the open member function is to use the file stream object declaration itself to open the file. Example: fstream dataFile("names.dat",ios::in|ios::out);

Opening a file with the flags ios::in | ios::out will preserve the contents of the file if the file already exists.

The ________ member function reports when the end of a file has been found.

Outside of a C++ program, a file is identified by its ________. Inside a C++ program, a file is accessed through a ________.

A file must be ________ before data can be written to or read from it.

File output may be formatted the same way as screen output.

The ________ may be used to read information from a file.

string objects cannot be stored to a binary file without further processing because they contain pointers.

Which statement opens a file in such a way that information will only be written to its end?

The state bit, ________, can be tested to see if the end of an input stream has been encountered.

The statement dataFile.close();

All stream objects have ________ that indicate the condition of the stream.

ofstream, ifstream, and fstream are

The member function ________ writes a single character to a file.

To access files from a C++ program, you must #include

The state bit ________ is set when an attempted operation has failed.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Binary Trees

Filters

Outside of a C++ program, a file is identified by its . Inside a C++ program, a file is accessed through a .