Question 1

What is the value of the following expression? true && false

Accepted Answer

A)  true 
B)  false 
C)  -1 
D)  +1 
A)  true 
B)  false 
C)  -1 
D)  +1

Question 2

If the sub-expression on the left side of the || operator is true, the expression on the right side will not be checked.

Accepted Answer

A) True 
 B)False

Question 3

This operator represents the logical AND.

Accepted Answer

A)  ++ 
B)  || 
C)  && 
D)  @ 
E)  None of these 
A)  ++ 
B)  || 
C)  && 
D)  @ 
E)  None of these

Question 4

What is the output of the following code? 
int w = 98;
int x = 99;
int y = 0;
int z = 1;
if (x >= 99)
{
$\quad$if (x < 99)
$\quad$$\quad$cout << y << endl;
$\quad$else
$\quad$$\quad$cout << z << endl;
}
else
{
$\quad$If (x == 99)
$\quad$$\quad$cout << x << endl;
$\quad$else
$\quad$$\quad$cout << w << endl;
}

Accepted Answer

A)  98 
B)  99 
C)  0 
D)  1 
A)  98 
B)  99 
C)  0 
D)  1

Question 5

Whereas < is called a relational operator, x < y is called a(n)________________

Accepted Answer

A)  Arithmetic operator 
B)  Relative operator 
C)  Relational expression 
D)  Largeness test 
E)  None of these 
A)  Arithmetic operator 
B)  Relative operator 
C)  Relational expression 
D)  Largeness test 
E)  None of these

Question 6

When a relational expression is false, it has the value _____.

Accepted Answer

A)  one 
B)  zero 
C)  zero, one, or minus one 
D)  less than zero 
E)  None of these 
A)  one 
B)  zero 
C)  zero, one, or minus one 
D)  less than zero 
E)  None of these

Question 7

What is the value of the following expression? true || true

Accepted Answer

A)  true 
B)  false 
C)  -1 
D)  +1 
A)  true 
B)  false 
C)  -1 
D)  +1

Question 8

What is the value of donuts after the following code executes? 
int donuts = 10;
if (donuts != 10)
$\quad$donuts = 0;
else
$\quad$donuts += 2;

Accepted Answer

A)  12 
B)  10 
C)  0 
D)  2 
A)  12 
B)  10 
C)  0 
D)  2

Question 9

What is the value of the following expression? false || true

Accepted Answer

A)  true 
B)  false 
C)  -1 
D)  +1 
A)  true 
B)  false 
C)  -1 
D)  +1

Question 10

Relational operators allow you to ____________ numbers.

Accepted Answer

A)  add 
B)  multiply 
C)  compare 
D)  average 
E)  None of these 
A)  add 
B)  multiply 
C)  compare 
D)  average 
E)  None of these

Question 11

What will be the value of result after the following code has been executed? 
int a = 60;
int b = 15;
int result = 10;
if (a = b)
$\quad$result *= 2;

Accepted Answer

A)  10 
B)  120 
C)  20 
D)  This code will not compile 
A)  10 
B)  120 
C)  20 
D)  This code will not compile

Question 12

The default section of a switch statement performs a similar task as the _______ portion of an if/else if statement.

Accepted Answer

A)  conditional 
B)  break 
C)  trailing else 
D)  All of these 
E)  None of these 
A)  conditional 
B)  break 
C)  trailing else 
D)  All of these 
E)  None of these

Question 13

This is a variable, usually a boolean or an integer, that signals when a condition exists.

Accepted Answer

A)  relational operator 
B)  arithmetic operator 
C)  flag 
D)  float 
E)  None of these 
A)  relational operator 
B)  arithmetic operator 
C)  flag 
D)  float 
E)  None of these

What is the value of the following expression? true && false

If the sub-expression on the left side of the || operator is true, the expression on the right side will not be checked.

This operator represents the logical AND.

Whereas < is called a relational operator, x < y is called a(n)________________

When a relational expression is false, it has the value _____.

What is the value of the following expression? true || true

What is the value of donuts after the following code executes? int donuts = 10; if (donuts != 10) $\quad$ donuts = 0; else $\quad$ donuts += 2;

What is the value of the following expression? false || true

Relational operators allow you to ____________ numbers.

What will be the value of result after the following code has been executed? int a = 60; int b = 15; int result = 10; if (a = b) $\quad$ result *= 2;

The default section of a switch statement performs a similar task as the _______ portion of an if/else if statement.

This is a variable, usually a boolean or an integer, that signals when a condition exists.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

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

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 4: Making Decisions

What is the value of the following expression? true && false

If the sub-expression on the left side of the || operator is true, the expression on the right side will not be checked.

This operator represents the logical AND.

What is the output of the following code? int w = 98; int x = 99; int y = 0; int z = 1; if (x >= 99) { \quad if (x < 99) \quad\quad cout << y << endl; \quad else \quad\quad cout << z << endl; } else { \quad If (x == 99) \quad\quad cout << x << endl; \quad else \quad\quad cout << w << endl; }

Whereas < is called a relational operator, x < y is called a(n)________________

When a relational expression is false, it has the value _____.

What is the value of the following expression? true || true

What is the value of donuts after the following code executes? int donuts = 10; if (donuts != 10) \quad donuts = 0; else \quad donuts += 2;

What is the value of the following expression? false || true

Relational operators allow you to ____________ numbers.

What will be the value of result after the following code has been executed? int a = 60; int b = 15; int result = 10; if (a = b) \quad result *= 2;

The default section of a switch statement performs a similar task as the _______ portion of an if/else if statement.

This is a variable, usually a boolean or an integer, that signals when a condition exists.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

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

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

What is the value of donuts after the following code executes? int donuts = 10; if (donuts != 10) $\quad$ donuts = 0; else $\quad$ donuts += 2;

What will be the value of result after the following code has been executed? int a = 60; int b = 15; int result = 10; if (a = b) $\quad$ result *= 2;