Question 1

When passing a file stream object to a function, you should always pass it by reference.

Accepted Answer

A) True 
 B)False

Question 2

When data is read from a file, it is automatically stored in a variable.

Accepted Answer

A) True 
 B)False

Question 3

If a file already exists, you can open it with the flags ios::in | ios::out to preserve its contents.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Only one file stream object can be declared per C++ program.

Accepted Answer

A) True 
 B)False

Question 6

This 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 these 
A)  ios::failbit 
B)  ios::badbit 
C)  ios::hardfail 
D)  ios::goodbit 
E)  None of these

Question 7

What is true about the following statement? out.open("values.dat", ios::app);

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 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

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 10

All stream objects have these, which indicate the condition of the stream.

Accepted Answer

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

Question 11

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 12

Outside of a C++ program, a file is identified by its _________. Inside a C++ program, a file is identified by a ____________.

Accepted Answer

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

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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 15

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 16

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 17

This member function writes a single character to a file.

Accepted Answer

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

Question 18

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

When passing a file stream object to a function, you should always pass it by reference.

When data is read from a file, it is automatically stored in a variable.

If a file already exists, you can open it with the flags ios::in | ios::out to preserve its contents.

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

Only one file stream object can be declared per C++ program.

This state bit is set when an attempted operation has failed.

What is true about the following statement? out.open("values.dat", ios::app);

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

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);

All stream objects have these, which indicate the condition of the stream.

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

Outside of a C++ program, a file is identified by its _. Inside a C++ program, a file is identified by a ____.

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

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

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

This member function reads a single character from a file.

This member function writes a single character to a file.

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

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

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

Structured Data

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

When passing a file stream object to a function, you should always pass it by reference.

When data is read from a file, it is automatically stored in a variable.

If a file already exists, you can open it with the flags ios::in | ios::out to preserve its contents.

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

Only one file stream object can be declared per C++ program.

This state bit is set when an attempted operation has failed.

What is true about the following statement? out.open("values.dat", ios::app);

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

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);

All stream objects have these, which indicate the condition of the stream.

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

Outside of a C++ program, a file is identified by its _________. Inside a C++ program, a file is identified by a ____________.

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

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

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

This member function reads a single character from a file.

This member function writes a single character to a file.

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

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

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

Structured Data

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

Outside of a C++ program, a file is identified by its _. Inside a C++ program, a file is identified by a ____.