Question 1

The std::endl stream manipulator________.

Accepted Answer

A)  inputs a newline. 
B)  flushes the output buffer. 
C)  outputs a newline and flushes the output buffer. 
D)  terminates the program. 
A)  inputs a newline. 
B)  flushes the output buffer. 
C)  outputs a newline and flushes the output buffer. 
D)  terminates the program. C

Question 2

The ________ object enables a program to read data from the user.

Accepted Answer

A)  std::cout. 
B)  std::cin. 
C)  std::cread. 
D)  std::cget. 
A)  std::cout. 
B)  std::cin. 
C)  std::cread. 
D)  std::cget. B

Question 3

Which of the following is a variable declaration statement?

Accepted Answer

A) int total; B) #include C) int main() D) // first string entered by user A) int total; B) #include C) int main() D) // first string entered by user A

Question 4

Each of the following is a relational or equality operator except:

Accepted Answer

A)   
A)

Question 5

End-of-line comments that should be ignored by the compiler are denoted using:

Accepted Answer

A)  Two forward slashes (//). 
B)  Three forward slashes (///). 
C)  A slash and a star (/*). 
D)  A slash and two stars (/**). 
A)  Two forward slashes (//). 
B)  Three forward slashes (///). 
C)  A slash and a star (/*). 
D)  A slash and two stars (/**).

Question 6

Which of the following is a compilation error?

Accepted Answer

A)  Neglecting to declare a local variable in a function before it is used. 
B)  Using a triple equals sign instead of a double equals sign in the condition of an if statement. 
C)  Omitting the left and right parentheses for the condition of an if statement. 
D)  All of the above. 
A)  Neglecting to declare a local variable in a function before it is used. 
B)  Using a triple equals sign instead of a double equals sign in the condition of an if statement. 
C)  Omitting the left and right parentheses for the condition of an if statement. 
D)  All of the above.

Question 7

Which of the following statements does not overwrite a preexisting value stored in a memory location?

Accepted Answer

A)  int a; 
B)  number = 12; 
C)  y = y + 2; 
D)  width = length; 
A)  int a; 
B)  number = 12; 
C)  y = y + 2; 
D)  width = length;

Question 8

The assignment operator ________ assigns the value of the expression on its right to the variable on its left.

Accepted Answer

A)   
C)  = 
D)  # 
A)   
C)  = 
D)  #

Question 9

In what order would the following operators be evaluated -, *, /, +, %
Assume that if two operations have the same precedence, the one listed first will be evaluated first.

Accepted Answer

A)  +, -, /, *, % 
B)  -, +, %, *, / 
C)  -, *, %, +, / 
D)  *, /, %, -, + 
A)  +, -, /, *, % 
B)  -, +, %, *, / 
C)  -, *, %, +, / 
D)  *, /, %, -, +

Question 10

Which of the following is not an arithmetic operator?

Accepted Answer

A)  + 
B)  - 
C)  = 
D)  % 
A)  + 
B)  - 
C)  = 
D)  %

Question 11

Which of the following does not cause a syntax error to be reported by the C++ compiler?

Accepted Answer

A)  Mismatched {}. 
B)  Missing */ in a comment. 
C)  Missing ; at the end of a statement. 
D)  Extra blank lines. 
A)  Mismatched {}. 
B)  Missing */ in a comment. 
C)  Missing ; at the end of a statement. 
D)  Extra blank lines.

Question 12

Which of the following uses C++11's list initialization to initialize count to 0?

Accepted Answer

A)  int count = 0; 
B)  int count[0]; 
C)  int count(0); 
D)  int count{0}; 
A)  int count = 0; 
B)  int count[0]; 
C)  int count(0); 
D)  int count{0};

Question 13

Which of the following is the escape character?

Accepted Answer

A)  * 
B)  \ 
C)  
 
D)  " 
A)  * 
B)  \ 
C)  
 
D)  "

Question 14

The escape sequence for a newline is:

Accepted Answer

A)  
 
B)  	 
C)   
D)  \a 
A)  
 
B)  	 
C)   
D)  \a

Question 15

Which of the following is not a valid C++ identifier?

Accepted Answer

A)  my Value 
B)  _AAA1 
C)  width 
D)  m_x 
A)  my Value 
B)  _AAA1 
C)  width 
D)  m_x

Question 16

Which is the output of the following statements? std::cout << "Hello ";
Std::cout << "World";

Accepted Answer

A)  Hello World 
B)  World Hello 
C)  Hello World. 
D)  World Hello. 
A)  Hello World 
B)  World Hello 
C)  Hello World. 
D)  World Hello.

Question 17

Which of the following is not a syntax error?

Accepted Answer

A)  std::cout << 'Hello world! '; 
B)  std::cout << "Hello world! "; 
C)  std::cout << "Hello world! ";. 
D)  std::cout << Hello world!; 
A)  std::cout << 'Hello world! '; 
B)  std::cout << "Hello world! "; 
C)  std::cout << "Hello world! ";. 
D)  std::cout << Hello world!;

Question 18

Which of the following statements would display the phrase C++ is fun?

Accepted Answer

A)  std::cout << "Thisis fun\rC++ "; 
B)  std::cout << '++ is fun'; 
C)  std::cout << "\"C++ is fun\""; 
D)  std::cout << C++ is fun; 
A)  std::cout << "Thisis fun\rC++ "; 
B)  std::cout << '++ is fun'; 
C)  std::cout << "\"C++ is fun\""; 
D)  std::cout << C++ is fun;

Question 19

Which of the following statements could potentially change the value of number2?

Accepted Answer

A) std::cin >> number2; B) sum = number1 + number2; C) number1 = number2; D) std::cout << number2; A) std::cin >> number2; B) sum = number1 + number2; C) number1 = number2; D) std::cout << number2;

Question 20

What will be the output after the following C++ statements have been executed? int a{4};
Int b{12};
Int c{37};
Int d{51};
If (a  b) {
Cout  b" << endl;
}
If (d <= c) {
Cout << "d <= c" << endl;
}
If (c != d) {
Cout << "c != d" << endl;
}

Accepted Answer

A)  a  b c != d 
D)  a < b c < d
A != b 
A)  a  b c != d 
D)  a < b c < d
A != b

Exam 2: Introduction to C Programming; Inputoutput and Operators

The std::endl stream manipulator________.

The ________ object enables a program to read data from the user.

Which of the following is a variable declaration statement?

Each of the following is a relational or equality operator except:

End-of-line comments that should be ignored by the compiler are denoted using:

Which of the following is a compilation error?

Which of the following statements does not overwrite a preexisting value stored in a memory location?

The assignment operator ________ assigns the value of the expression on its right to the variable on its left.

In what order would the following operators be evaluated -, *, /, +, % Assume that if two operations have the same precedence, the one listed first will be evaluated first.

Which of the following is not an arithmetic operator?

Which of the following does not cause a syntax error to be reported by the C++ compiler?

Which of the following uses C++11's list initialization to initialize count to 0?

Which of the following is the escape character?

The escape sequence for a newline is:

Which of the following is not a valid C++ identifier?

Which is the output of the following statements? std::cout << "Hello "; Std::cout << "World";

Which of the following is not a syntax error?

Which of the following statements would display the phrase C++ is fun?

Which of the following statements could potentially change the value of number2?

What will be the output after the following C++ statements have been executed? int a{4}; Int b{12}; Int c{37}; Int d{51}; If (a < b) { Cout << "a < b" << endl; } If (a > b) { Cout << "a > b" << endl; } If (d <= c) { Cout << "d <= c" << endl; } If (c != d) { Cout << "c != d" << endl; }

Introduction to Computers and C++

Introduction to Classes, Objects and Strings

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Pointers and Pointer-Based Strings

Classes: a Deeper Look; Throwing Exceptions

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

Filters