Question 1

A multi-line comment

Accepted Answer

A)  begins with /* and ends with */ 
B)  can be used to mark as many lines as desired as comments 
C)  allows everything in the selected lines to be ignored 
D)  All of these are true 
A)  begins with /* and ends with */ 
B)  can be used to mark as many lines as desired as comments 
C)  allows everything in the selected lines to be ignored 
D)  All of these are true D

Question 2

Select all that apply. Which of the following statements is(are) true about named constants?

Accepted Answer

A)  A named constant must be all uppercase. 
B)  The content of a named constant is read-only. 
C)  The value of a named constant cannot be changed while the program is running. 
D)  A named constant is defined using the const qualifier. 
E)  None of these 
A)  A named constant must be all uppercase. 
B)  The content of a named constant is read-only. 
C)  The value of a named constant cannot be changed while the program is running. 
D)  A named constant is defined using the const qualifier. 
E)  None of these B, C, D

Question 3

Floating point constants are normally stored in memory as doubles.

Accepted Answer

A) True 
 B)False  True

Question 4

What is the value stored in the variable myNum after the following assignment statement executes?
MyNum = 23 % 5

Accepted Answer

A)  3 
B)  4 
C)  4.6 
D)  115 
E)  None of these 
A)  3 
B)  4 
C)  4.6 
D)  115 
E)  None of these

Question 5

Using C++11:
What data type does the compiler determine for the variable cost in the following statement?
Auto cost = 14.95;

Accepted Answer

A)  int 
B)  double 
C)  bool 
D)  char 
E)  string 
A)  int 
B)  double 
C)  bool 
D)  char 
E)  string

Question 6

The preprocessor executes after the compiler.

Accepted Answer

A) True 
 B)False

Question 7

Assuming that a program has the following string object definition, which statement correctly assigns the string literal "Jane" to the string object?
String name;

Accepted Answer

A) name = Jane; B) name = 'Jane'; C) name = "Jane"; D) name = ; E) string name = {Jane}; A) name = Jane; B) name = 'Jane'; C) name = "Jane"; D) name = ; E) string name = {Jane};

Question 8

A value is stored in a variable with an assignment statement.

Accepted Answer

A) True 
 B)False

Question 9

In memory, C++ automatically places a(n) __________ at the end of string literals which __________.

Accepted Answer

A)  semicolon, indicates the end of the statement 
B)  
, indicates an escape sequence 
C)  null terminator, marks the end of the string 
D)  bracket, marks the end of the string 
E)  None of these 
A)  semicolon, indicates the end of the statement 
B)  
, indicates an escape sequence 
C)  null terminator, marks the end of the string 
D)  bracket, marks the end of the string 
E)  None of these

Question 10

What is the value of cookies after the following statements execute?
Int number = 38, children = 4, cookies;
Cookies = number % children;

Accepted Answer

A)  2 
B)  4 
C)  9 
D)  9.5 
E)  .5 
A)  2 
B)  4 
C)  9 
D)  9.5 
E)  .5

Question 11

Escape sequences are always stored internally as a single character.

Accepted Answer

A) True 
 B)False

Question 12

What will be the output after the following lines of code execute?
bool choice;
choice = true;
cout << "Your choice is " << choice << endl;

Accepted Answer

A)  true 
B)  Your choice is true 
C)  Your choice is 1 
D)  Your choice is choice 
E)  None of these 
A)  true 
B)  Your choice is true 
C)  Your choice is 1 
D)  Your choice is choice 
E)  None of these

Question 13

What will the following code display?
Cout << "Four
" << "score
";
Cout << "and" << "
seven";
Cout << "
years" << " ago" << endl;

Accepted Answer

A)  Four
Score
And
Seven
Years ago 
B)  Four score and seven
Years ago 
C)  Four
Score
And seven
Years ago 
D)  Four score
And seven
Years ago 
A)  Four
Score
And
Seven
Years ago 
B)  Four score and seven
Years ago 
C)  Four
Score
And seven
Years ago 
D)  Four score
And seven
Years ago

Question 14

In programming, the terms "line" and "statement" always mean the same thing.

Accepted Answer

A) True 
 B)False

Question 15

What will the following code display?
Cout << "Roses " << "are red";
Cout << "and " << "violets/n"
Cout << "are" << "blue" << endl;

Accepted Answer

A)  Roses are red
And violets
Are blue 
B)  Roses are red and violets/nare blue 
C)  Roses are redand violets/nareblue 
D)  Roses are red and violets/n are blue 
A)  Roses are red
And violets
Are blue 
B)  Roses are red and violets/nare blue 
C)  Roses are redand violets/nareblue 
D)  Roses are red and violets/n are blue

Question 16

Besides the decimal number system that is most common (base 10), two other number systems that can be used in C++ programs are

Accepted Answer

A)  octal and fractal 
B)  octal and hexadecimal 
C)  base 2 and base 4 
D)  base 2 and binary 
E)  None of these 
A)  octal and fractal 
B)  octal and hexadecimal 
C)  base 2 and base 4 
D)  base 2 and binary 
E)  None of these

Question 17

Because C++ is case-sensitive, all programs must have a function called main or Main.

Accepted Answer

A) True 
 B)False

Question 18

In C++ you are required to name your variables so they indicate the purpose they will be used for.

Accepted Answer

A) True 
 B)False

Question 19

The data type used to declare variables that can hold real numbers is

Accepted Answer

A)  short 
B)  int 
C)  float 
D)  char 
E)  double 
A)  short 
B)  int 
C)  float 
D)  char 
E)  double

Question 20

C++ 11 introduced an alternative way to define variables, using the template key word and an initialization value.

Accepted Answer

A) True 
 B)False

Exam 2: Introduction to C

A multi-line comment

Select all that apply. Which of the following statements is(are) true about named constants?

Floating point constants are normally stored in memory as doubles.

What is the value stored in the variable myNum after the following assignment statement executes? MyNum = 23 % 5

Using C++11: What data type does the compiler determine for the variable cost in the following statement? Auto cost = 14.95;

The preprocessor executes after the compiler.

Assuming that a program has the following string object definition, which statement correctly assigns the string literal "Jane" to the string object? String name;

A value is stored in a variable with an assignment statement.

In memory, C++ automatically places a(n) __________ at the end of string literals which __________.

What is the value of cookies after the following statements execute? Int number = 38, children = 4, cookies; Cookies = number % children;

Escape sequences are always stored internally as a single character.

What will be the output after the following lines of code execute? bool choice; choice = true; cout << "Your choice is " << choice << endl;

What will the following code display? Cout << "Four\n" << "score\n"; Cout << "and" << "\nseven"; Cout << "\nyears" << " ago" << endl;

In programming, the terms "line" and "statement" always mean the same thing.

What will the following code display? Cout << "Roses " << "are red"; Cout << "and " << "violets/n" Cout << "are" << "blue" << endl;

Besides the decimal number system that is most common (base 10), two other number systems that can be used in C++ programs are

Because C++ is case-sensitive, all programs must have a function called main or Main.

In C++ you are required to name your variables so they indicate the purpose they will be used for.

The data type used to declare variables that can hold real numbers is

C++ 11 introduced an alternative way to define variables, using the template key word and an initialization value.

Introduction to Computers and Programming

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays and Vectors

Searching and Sorting Arrays

Pointers

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

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions and Templates

The Standard Template Library

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

In memory, C++ automatically places a(n) at the end of string literals which .