Question 1

The good member function will return false if:

Accepted Answer

A)  The eof member function would return true. 
B)  The bad member function would return true. 
C)  The failbit member function would return true. 
D)  Any of the above. 
A)  The eof member function would return true. 
B)  The bad member function would return true. 
C)  The failbit member function would return true. 
D)  Any of the above. D

Question 2

The stream-extraction operator:

Accepted Answer

A)  Does not normally accept white-space characters. 
B)  Returns true when the end-of-file is encountered. 
C)  Sets the stream's failbit if the operation fails. 
D)  Sets the stream's badbit if the data is of the wrong type. 
A)  Does not normally accept white-space characters. 
B)  Returns true when the end-of-file is encountered. 
C)  Sets the stream's failbit if the operation fails. 
D)  Sets the stream's badbit if the data is of the wrong type. A

Question 3

Select the correct statement regarding C++ I/O streams:

Accepted Answer

A)  C++ provides only high-level I/O capabilities because it is a high-level programming language. 
B)  High-level formatted) I/O is best for large-volume transfers. 
C)  Low-level I/O breaks information down into small, meaningful groups of related bytes. 
D)  Programmers generally prefer high-level I/O to low-level I/O. 
A)  C++ provides only high-level I/O capabilities because it is a high-level programming language. 
B)  High-level formatted) I/O is best for large-volume transfers. 
C)  Low-level I/O breaks information down into small, meaningful groups of related bytes. 
D)  Programmers generally prefer high-level I/O to low-level I/O. D

Question 4

Which of the following is an illegal use of function put?

Accepted Answer

A)  cout.put 'A' ); 
B)  cout.put "A" ); 
C)  cout.put 'A' ).put '
' ); 
D)  cout.put 65 ); 
A)  cout.put 'A' ); 
B)  cout.put "A" ); 
C)  cout.put 'A' ).put '
' ); 
D)  cout.put 65 );

Question 5

Which of the following stream manipulators causes an outputted number's sign to be left justified, its magnitude to be right justified and the center space to be filled with fill characters?

Accepted Answer

A)  left 
B)  right 
C)  internal 
D)  showpos 
A)  left 
B)  right 
C)  internal 
D)  showpos

Question 6

One difference between the three-argument version of the get function and the getline function is that:

Accepted Answer

A)  Only get has a delimiter. 
B)  The getline function removes the delimiter from the stream. 
C)  Only get adds the delimiter to the array. 
D)  getline stores the characters it reads into its character array argument. 
A)  Only get has a delimiter. 
B)  The getline function removes the delimiter from the stream. 
C)  Only get adds the delimiter to the array. 
D)  getline stores the characters it reads into its character array argument.

Question 7

Which of the following statements is not true about C++ input/output I/O) features?

Accepted Answer

A)  C++ allows users to specify I/O for their own data types. 
B)  C++ automatically calls the correct I/O operations for standard types. 
C)  C++ has some object-oriented I/O features. 
D)  C++ borrowed its type safe I/O capabilities from C. 
A)  C++ allows users to specify I/O for their own data types. 
B)  C++ automatically calls the correct I/O operations for standard types. 
C)  C++ has some object-oriented I/O features. 
D)  C++ borrowed its type safe I/O capabilities from C.

Question 8

Which of the following is not a difference between hex and setbase?

Accepted Answer

A)  setbase is a parameterized stream manipulator and hex is not. 
B)  setbase is provided by a different header file than hex. 
C)  setbase16) and hex have different effects on stream output. 
D)  setbase takes an argument but hex does not. 
A)  setbase is a parameterized stream manipulator and hex is not. 
B)  setbase is provided by a different header file than hex. 
C)  setbase16) and hex have different effects on stream output. 
D)  setbase takes an argument but hex does not.

Question 9

Which of the following is not a member of the ostream class?

Accepted Answer

A)  cout 
B)  cerr 
C)  cin 
D)  clog 
A)  cout 
B)  cerr 
C)  cin 
D)  clog

Question 10

What will be output by the following statements?
Double x = 1.23456789;
Cout << fixed;
Cout << setprecision5) << x << endl;
Cout.precision3);
Cout << x << endl;
Cout << x << endl;

Accepted Answer

A)  1.2346 1.23
1)23 
B)  1.23457 1.235
1)23456789 
C)  1.2346 1.23
1)23456789 
D)  1.23457 1.235
1)235 
A)  1.2346 1.23
1)23 
B)  1.23457 1.235
1)23456789 
C)  1.2346 1.23
1)23456789 
D)  1.23457 1.235
1)235

Question 11

Which of the following statements restores the default fill character?

Accepted Answer

A)  cout.defaultFill); 
B)  cout.fill); 
C)  cout.fill 0 ); 
D)  cout.fill ' ' ); 
A)  cout.defaultFill); 
B)  cout.fill); 
C)  cout.fill 0 ); 
D)  cout.fill ' ' );

Question 12

The difference between the operator! member function and the operator void* member function is that:

Accepted Answer

A)  They always return opposite boolean values. 
B)  They occasionally return opposite boolean values. 
C)  Of the two member functions, only operator! checks if eof has been set. 
D)  Of the two member functions, only operator void* checks if eof has been set. 
A)  They always return opposite boolean values. 
B)  They occasionally return opposite boolean values. 
C)  Of the two member functions, only operator! checks if eof has been set. 
D)  Of the two member functions, only operator void* checks if eof has been set.

Question 13

Which of the following is not true about setw and width?

Accepted Answer

A)  If the width set is not sufficient the output prints as wide as it needs. 
B)  They are used to set the field width of output. 
C)  Both of them can perform two tasks, setting the field width and returning the current field width. 
D)  They only apply for the next insertion/extraction. 
A)  If the width set is not sufficient the output prints as wide as it needs. 
B)  They are used to set the field width of output. 
C)  Both of them can perform two tasks, setting the field width and returning the current field width. 
D)  They only apply for the next insertion/extraction.

Question 14

Upon encountering the designated delimiter character, the ignore member function will:

Accepted Answer

A)  Read it in and return its value. 
B)  Ignore it and continue reading and discarding characters. 
C)  Terminate. 
D)  Replace it with an EOF character. 
A)  Read it in and return its value. 
B)  Ignore it and continue reading and discarding characters. 
C)  Terminate. 
D)  Replace it with an EOF character.

Question 15

What will be output by the following statement?
Cout << showpoint << setprecision4) << 11.0 << endl;

Accepted Answer

A)  11 
B)  11.0 
C)  11.00 
D)  11.000 
A)  11 
B)  11.0 
C)  11.00 
D)  11.000

Question 16

What will be output by the following statements?
Double x = .0012345;
Cout << fixed << x << endl;
Cout << scientific << x << endl;

Accepted Answer

A)  1.234500e-003 0.001235 
B)  1.23450e-003 0.00123450 
C)  .001235 1.234500e-003 
D)  0.00123450 1.23450e-003 
A)  1.234500e-003 0.001235 
B)  1.23450e-003 0.00123450 
C)  .001235 1.234500e-003 
D)  0.00123450 1.23450e-003

Question 17

__________ is usually faster than __________.

Accepted Answer

A)  High-level I/O, low-level I/O. 
B)  Low-level I/O, high-level I/O. 
C)  Low-level I/O, internal data processing. 
D)  High-level I/O, internal data processing. 
A)  High-level I/O, low-level I/O. 
B)  Low-level I/O, high-level I/O. 
C)  Low-level I/O, internal data processing. 
D)  High-level I/O, internal data processing.

Question 18

Which of the following is a difference between the read and write functions?

Accepted Answer

A)  One performs formatted I/O and the other does not. 
B)  They take different types of parameters. 
C)  write and gcount are member functions of the same class, whereas read is not. 
D)  The failbit is set only with read. 
A)  One performs formatted I/O and the other does not. 
B)  They take different types of parameters. 
C)  write and gcount are member functions of the same class, whereas read is not. 
D)  The failbit is set only with read.

Question 19

Which of the following is a valid user-defined output stream manipulator header?

Accepted Answer

A)  ostream& tab ostream& output ) 
B)  ostream tab ostream output ) 
C)  istream& tab istream output ) 
D)  void tab ostream& output ) 
A)  ostream& tab ostream& output ) 
B)  ostream tab ostream output ) 
C)  istream& tab istream output ) 
D)  void tab ostream& output )

Question 20

Select the false statement. Outputs are:

Accepted Answer

A)  Flushed automatically at the end of a program. 
B)  Flushed when the buffer fills. 
C)  Able to be synchronized with inputs. 
D)  Never automatically tied to inputs. 
A)  Flushed automatically at the end of a program. 
B)  Flushed when the buffer fills. 
C)  Able to be synchronized with inputs. 
D)  Never automatically tied to inputs.

Exam 15: Stream Inputoutput

The good member function will return false if:

The stream-extraction operator:

Select the correct statement regarding C++ I/O streams:

Which of the following is an illegal use of function put?

Which of the following stream manipulators causes an outputted number's sign to be left justified, its magnitude to be right justified and the center space to be filled with fill characters?

One difference between the three-argument version of the get function and the getline function is that:

Which of the following statements is not true about C++ input/output I/O) features?

Which of the following is not a difference between hex and setbase?

Which of the following is not a member of the ostream class?

What will be output by the following statements? Double x = 1.23456789; Cout << fixed; Cout << setprecision5) << x << endl; Cout.precision3); Cout << x << endl; Cout << x << endl;

Which of the following statements restores the default fill character?

The difference between the operator! member function and the operator void* member function is that:

Which of the following is not true about setw and width?

Upon encountering the designated delimiter character, the ignore member function will:

What will be output by the following statement? Cout << showpoint << setprecision4) << 11.0 << endl;

What will be output by the following statements? Double x = .0012345; Cout << fixed << x << endl; Cout << scientific << x << endl;

__________ is usually faster than __________.

Which of the following is a difference between the read and write functions?

Which of the following is a valid user-defined output stream manipulator header?

Select the false statement. Outputs are:

Introduction to Computers, the Internet and the World Wide Web

Introduction to C Programming

Control Statements, Part 1

Control Statements, Part 2

Functions and an Introduction to Recursion

Arrays and Vectors

Pointers and Pointer-Based Strings

Sequential-Access Files

Classes

Classes: a Deeper Look, Part 2

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Templates

Exception Handling

File Processing

Class String and String Stream Processing

Searching and Sorting

Data Structures

Standard Template Library Stl

Bits, Characters, C Strings and Structs

Boost Libraries, Technical Report 1 and C0x

Other Topics

ATM Case Study, Part 1: Object-Oriented Design With the Uml

ATM Case Study, Part 2: Implementing an Object-Oriented Design

Game Programming With Ogre

Filters

is usually faster than .