Question 1

To open an output file and add to the end of the data already in the file you would write

Accepted Answer

A)  outFile.open"project.txt"); 
B)  outFile.append"project.txt"); 
C)  outFile.open"project.txt", append); 
D)  outFile.open"project.txt", ios::app); 
A)  outFile.open"project.txt"); 
B)  outFile.append"project.txt"); 
C)  outFile.open"project.txt", append); 
D)  outFile.open"project.txt", ios::app); D

Question 2

What is the output of the following code?
Char ch='G';
Cout << tolowerch) << endl;

Accepted Answer

A)  G 
B)  g 
C)  the integer value of 'g' 
D)  the integer value of 'G' 
A)  G 
B)  g 
C)  the integer value of 'g' 
D)  the integer value of 'G' C

Question 3

Data that is sent to an output stream representing a file will be immediately saved to disk.

Accepted Answer

A) True 
 B)False  False

Question 4

The member function eof) is true/false) when we are ready to read the end of file character.

Accepted Answer

A) True 
 B)False

Question 5

A type whose variables are objects is known as a ___________.

Accepted Answer

The answer of A type whose variables are objects is...

Question 6

After a stream is opened, before it is used for input and output, it should be

Accepted Answer

A)  declared 
B)  closed 
C)  checked to see if it opened correctly 
D)  none of the above 
A)  declared 
B)  closed 
C)  checked to see if it opened correctly 
D)  none of the above

Question 7

A function that is associated with an object is called a _________ function.

Accepted Answer

A)  input 
B)  output 
C)  member 
D)  instantiated 
A)  input 
B)  output 
C)  member 
D)  instantiated

Question 8

The _______ function puts one character back into the input stream.

Accepted Answer

The answer of The _______ function puts one character back...

Question 9

Using directives can be placed either directly after the include directives, or at the beginning of each function definition.

Accepted Answer

A) True 
 B)False

Question 10

In order to use the stream manipulators, you must include the ______ library

Accepted Answer

A)  manip 
B)  iomanip 
C)  cstdlib 
D)  fstream 
A)  manip 
B)  iomanip 
C)  cstdlib 
D)  fstream

Question 11

Which command reads one character even if that character is a blank space? ___________

Accepted Answer

The answer of Which command reads one character even if...

Question 12

The command outFile.width10) is used to

Accepted Answer

A)  change the number of characters in the output 
B)  sets the filename of outFile to 10 characters 
C)  always uses 10 characters to display the output 
D)  displays the next value in at least 10 characters 
A)  change the number of characters in the output 
B)  sets the filename of outFile to 10 characters 
C)  always uses 10 characters to display the output 
D)  displays the next value in at least 10 characters

Question 13

The manipulator used to change the number of decimal places displayed is _________

Accepted Answer

The answer of The manipulator used to change the number...

Question 14

If a file did not open correctly, you should

Accepted Answer

A)  continue on anyway 
B)  display an error message and continue on 
C)  display an error message and take some suitable action such as exit 
D)  exit the program immediately 
A)  continue on anyway 
B)  display an error message and continue on 
C)  display an error message and take some suitable action such as exit 
D)  exit the program immediately

Question 15

In order to read data from a file you

Accepted Answer

A)  must know the kind of data in the file 
B)  do not need to know the kind of data in the file 
C)  should prompt the user for the data you are looking for 
D)  a and c 
A)  must know the kind of data in the file 
B)  do not need to know the kind of data in the file 
C)  should prompt the user for the data you are looking for 
D)  a and c

Question 16

Streams may be passed to a function.

Accepted Answer

A) True 
 B)False

Question 17

You may use a read extraction) as a boolean expression in an if or while statement.

Accepted Answer

A) True 
 B)False

Question 18

You may not have more than one input and one output stream open at any one time.

Accepted Answer

A) True 
 B)False

Question 19

The flag to display floating point numbers in non-scientific notation is ios:: _________

Accepted Answer

The answer of The flag to display floating point numbers...

Question 20

If you use the width command, it stays in effect for all values that are send to the stream.

Accepted Answer

A) True 
 B)False

To open an output file and add to the end of the data already in the file you would write

What is the output of the following code? Char ch='G'; Cout << tolowerch) << endl;

Data that is sent to an output stream representing a file will be immediately saved to disk.

The member function eof) is true/false) when we are ready to read the end of file character.

A type whose variables are objects is known as a ___________.

After a stream is opened, before it is used for input and output, it should be

A function that is associated with an object is called a _________ function.

The _______ function puts one character back into the input stream.

Using directives can be placed either directly after the include directives, or at the beginning of each function definition.

In order to use the stream manipulators, you must include the ______ library

Which command reads one character even if that character is a blank space? ___________

The command outFile.width10) is used to

The manipulator used to change the number of decimal places displayed is _________

If a file did not open correctly, you should

In order to read data from a file you

Streams may be passed to a function.

You may use a read extraction) as a boolean expression in an if or while statement.

You may not have more than one input and one output stream open at any one time.

The flag to display floating point numbers in non-scientific notation is ios:: _________

If you use the width command, it stays in effect for all values that are send to the stream.

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters

Exam 6: Io Streams As an Introduction to Objects and Classes

To open an output file and add to the end of the data already in the file you would write

What is the output of the following code? Char ch='G'; Cout << tolowerch) << endl;

Data that is sent to an output stream representing a file will be immediately saved to disk.

The member function eof) is true/false) when we are ready to read the end of file character.

A type whose variables are objects is known as a ___________.

After a stream is opened, before it is used for input and output, it should be

A function that is associated with an object is called a _________ function.

The _______ function puts one character back into the input stream.

Using directives can be placed either directly after the include directives, or at the beginning of each function definition.

In order to use the stream manipulators, you must include the ______ library

Which command reads one character even if that character is a blank space? ___________

The command outFile.width10) is used to

The manipulator used to change the number of decimal places displayed is _________

If a file did not open correctly, you should

In order to read data from a file you

Streams may be passed to a function.

You may use a read extraction) as a boolean expression in an if or while statement.

You may not have more than one input and one output stream open at any one time.

The flag to display floating point numbers in non-scientific notation is ios:: _________

If you use the width command, it stays in effect for all values that are send to the stream.

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters