Question 1

Which of the following libraries does not deal with input/output?

Accepted Answer

A)  iostream 
B)  iomanip 
C)  fstream 
D)  fiostream 
A)  iostream 
B)  iomanip 
C)  fstream 
D)  fiostream

Question 2

Which of the following classes is a base class of the other three?

Accepted Answer

A)  basic_ios 
B)  basic_istream 
C)  basic_ostream 
D)  basic_iostream 
A)  basic_ios 
B)  basic_istream 
C)  basic_ostream 
D)  basic_iostream

Question 3

Which C++ data type was designed to store Unicode characters?

Accepted Answer

A)  char 
B)  long 
C)  wchar_t 
D)  size_t 
A)  char 
B)  long 
C)  wchar_t 
D)  size_t

Question 4

To reset the format state of the output stream:

Accepted Answer

A)  Call the reset member function. 
B)  Call the flags member function with the ios_base::fmtflags constant as the argument. 
C)  Save a copy of the fmtflags value returned by calling member function flags before making any format changes, and then call flags again with that fmtflags value as the argument. 
D)  You must manually apply each individual format change member function or stream manipulator to restore the default format state. 
A)  Call the reset member function. 
B)  Call the flags member function with the ios_base::fmtflags constant as the argument. 
C)  Save a copy of the fmtflags value returned by calling member function flags before making any format changes, and then call flags again with that fmtflags value as the argument. 
D)  You must manually apply each individual format change member function or stream manipulator to restore the default format state.

Question 5

Which of the following is not true about bool values and how they are output with the output stream?

Accepted Answer

A)  The old style of representing true/false values used -1 to indicate false and 1 to indicate true. 
B)  A bool value outputs as 0 or 1 by default. 
C)  Stream manipulator boolalpha sets the output stream to display bool values as the strings "true" and "false". 
D)  Both boolalpha and noboolalpha are "sticky" settings. 
A)  The old style of representing true/false values used -1 to indicate false and 1 to indicate true. 
B)  A bool value outputs as 0 or 1 by default. 
C)  Stream manipulator boolalpha sets the output stream to display bool values as the strings "true" and "false". 
D)  Both boolalpha and noboolalpha are "sticky" settings.

Question 6

Which of the following classes is deepest in the inheritance hierarchy?

Accepted Answer

A)  basic_iostream 
B)  basic_ofstream 
C)  basic_ifstream 
D)  basic_fstream 
A)  basic_iostream 
B)  basic_ofstream 
C)  basic_ifstream 
D)  basic_fstream

Question 7

Which of the following is not a member function of the C++ ostream class?

Accepted Answer

A)  Stream-insertion operator >). 
C)  put. 
D)  write. 
A)  Stream-insertion operator >). 
C)  put. 
D)  write.

Question 8

The putback member function returns to the input stream the previous character obtained by:

Accepted Answer

A)  A get from the input stream. 
B)  Using the stream extraction operator on the input stream. 
C)  Reading input from the keyboard. 
D)  Reading a file from disk. 
A)  A get from the input stream. 
B)  Using the stream extraction operator on the input stream. 
C)  Reading input from the keyboard. 
D)  Reading a file from disk.

Question 9

If unexpected data is processed in an I/O operation:

Accepted Answer

A)  An exception will be thrown. 
B)  An error message will automatically be displayed. 
C)  The program will terminate execution. 
D)  Various error bits will be set. 
A)  An exception will be thrown. 
B)  An error message will automatically be displayed. 
C)  The program will terminate execution. 
D)  Various error bits will be set.

Question 10

Which of the following outputs does not guarantee that the uppercase flag has been set?

Accepted Answer

A)  All hexadecimal numbers appear in the form 0X87. 
B)  All numbers written in scientific notation appear the form 6.45E+010. 
C)  All text outputs appear in the form SAMPLE OUTPUT. 
D)  All hexadecimal numbers appear in the form AF6. 
A)  All hexadecimal numbers appear in the form 0X87. 
B)  All numbers written in scientific notation appear the form 6.45E+010. 
C)  All text outputs appear in the form SAMPLE OUTPUT. 
D)  All hexadecimal numbers appear in the form AF6.

Question 11

Untying an input stream, inputStream, from an output stream, outputStream, is done with the function call:

Accepted Answer

A)  inputStream.untie). 
B)  inputStream.untie &outputStream ). 
C)  inputStream.tie). 
D)  inputStream.tie 0 ). 
A)  inputStream.untie). 
B)  inputStream.untie &outputStream ). 
C)  inputStream.tie). 
D)  inputStream.tie 0 ).

Question 12

When the showbase flag is set:

Accepted Answer

A)  The base of a number precedes it in brackets. 
B)  Decimal numbers are not output any differently. 
C)  "oct" or "hex" will be displayed in the output stream. 
D)  Octal numbers can appear in one of two ways. 
A)  The base of a number precedes it in brackets. 
B)  Decimal numbers are not output any differently. 
C)  "oct" or "hex" will be displayed in the output stream. 
D)  Octal numbers can appear in one of two ways.

Question 13

Which of the following prints the address of character string string given the following declaration?
Char * string = "test";

Accepted Answer

A)  cout  string ); 
D)  cout << * string; 
A)  cout  string ); 
D)  cout << * string;

Which of the following libraries does not deal with input/output?

Which of the following classes is a base class of the other three?

Which C++ data type was designed to store Unicode characters?

To reset the format state of the output stream:

Which of the following is not true about bool values and how they are output with the output stream?

Which of the following classes is deepest in the inheritance hierarchy?

Which of the following is not a member function of the C++ ostream class?

The putback member function returns to the input stream the previous character obtained by:

If unexpected data is processed in an I/O operation:

Which of the following outputs does not guarantee that the uppercase flag has been set?

Untying an input stream, inputStream, from an output stream, outputStream, is done with the function call:

When the showbase flag is set:

Which of the following prints the address of character string string given the following declaration? Char * string = "test";

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

Exam 15: Stream Inputoutput

Which of the following libraries does not deal with input/output?

Which of the following classes is a base class of the other three?

Which C++ data type was designed to store Unicode characters?

To reset the format state of the output stream:

Which of the following is not true about bool values and how they are output with the output stream?

Which of the following classes is deepest in the inheritance hierarchy?

Which of the following is not a member function of the C++ ostream class?

The putback member function returns to the input stream the previous character obtained by:

If unexpected data is processed in an I/O operation:

Which of the following outputs does not guarantee that the uppercase flag has been set?

Untying an input stream, inputStream, from an output stream, outputStream, is done with the function call:

When the showbase flag is set:

Which of the following prints the address of character string string given the following declaration? Char * string = "test";

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