Question 1

These operators connect two or more relational expressions into one, or reverse the logic of an expression.

Accepted Answer

A)  relational 
B)  logical 
C)  irrational 
D)  negation 
E)  None of these 
A)  relational 
B)  logical 
C)  irrational 
D)  negation 
E)  None of these B

Question 2

Input values should always be checked for

Accepted Answer

A)  Appropriate range 
B)  Reasonableness 
C)  Division by zero, if division is taking place 
D)  All of these 
E)  None of these 
A)  Appropriate range 
B)  Reasonableness 
C)  Division by zero, if division is taking place 
D)  All of these 
E)  None of these D

Question 3

What will be the output of the following code segment after the user enters 0 at the keyboard? 
int x = -1;
cout > x;
if (x)
$\quad$cout << "true" << endl;
else
$\quad$cout << "false" << endl;

Accepted Answer

A)  Nothing will be displayed 
B)  false 
C)  x 
D)  true 
A)  Nothing will be displayed 
B)  false 
C)  x 
D)  true B

Question 4

As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

Accepted Answer

A) True 
 B)False

Question 5

When a program lets the user know that an invalid choice has been made, this is known as:

Accepted Answer

A)  input validation 
B)  output correction 
C)  compiler criticism 
D)  output validation 
E)  None of these 
A)  input validation 
B)  output correction 
C)  compiler criticism 
D)  output validation 
E)  None of these

Question 6

What will the following segment of code output if 11 is entered at the keyboard? int number; cin >> number; if (number > 0) $\quad$cout << "C++"; else $\quad$cout << "Soccer"; cout << " is "; cout << "fun" << endl;

Accepted Answer

A)  C++ is fun 
B)  Soccer is fun 
C)  C++ 
D)  C++fun 
E)  Soccerfun 
A)  C++ is fun 
B)  Soccer is fun 
C)  C++ 
D)  C++fun 
E)  Soccerfun

Question 7

What will following segment of code output? int x = 5;

If (x = 2)
$\quad$cout << "This is true!" << endl;
else
$\quad$cout << "This is false!" << endl;
cout << "This is all folks!" << endl;

Accepted Answer

A)  This is true! 
B)  This is false! 
C)  This is true!
This is false! 
D)  This is true!
This is all folks! 
E)  None of these 
A)  This is true! 
B)  This is false! 
C)  This is true!
This is false! 
D)  This is true!
This is all folks! 
E)  None of these

Question 8

What will the following segment of code output? You can assume the user enters a grade of 90 from the keyboard. 
cout > test_score;
if (test_score  60)
$\quad$cout << "You passed the test!" << endl;
else
$\quad$cout << "You need to study for the next test!";

Accepted Answer

A)  You failed the test! 
B)  You passed the test! 
C)  You failed the test!
You passed the test! 
D)  You failed the test!
You did poorly on the test! 
E)  None of the above 
A)  You failed the test! 
B)  You passed the test! 
C)  You failed the test!
You passed the test! 
D)  You failed the test!
You did poorly on the test! 
E)  None of the above

Question 9

This operator is known as the logical OR operator.

Accepted Answer

A)  -- 
B)  // 
C)  # 
D)  || 
E)  None of these 
A)  -- 
B)  // 
C)  # 
D)  || 
E)  None of these

Question 10

The default section is required in a switch statement.

Accepted Answer

A) True 
 B)False

Question 11

Which value can be entered to cause the following code segment to display the message "That number is acceptable." int number; cin >> number; If (number > 10 && number < 100) $\quad$cout << "That number is acceptable.\n"; else $\quad$cout << "That number is not acceptable.\n";

Accepted Answer

A)  100 
B)  10 
C)  99 
D)  0 
E)  All of these 
A)  100 
B)  10 
C)  99 
D)  0 
E)  All of these

Question 12

An expression that has any value other than 0 is considered true by an if statement.

Accepted Answer

A) True 
 B)False

Question 13

What is assigned to the variable a given the statement below with the following assumptions: x = 10, y = 7, and z, a, and b are all int variables. a = x >= y;

Accepted Answer

A)  10 
B)  7 
C)  The string "x >= y" 
D)  1 
E)  0 
A)  10 
B)  7 
C)  The string "x >= y" 
D)  1 
E)  0

Question 14

This operator performs a logical NOT operation.

Accepted Answer

A) -- B) ! C) D) >< E) None of these A) -- B) ! C) D) >< E) None of these

Question 15

What will the following segment of code output? 
score = 40;
if (score > 95)
$\quad$cout << "Congratulations!\n";
cout << "That's a high score!\n";
cout << "This is a test question!" << endl;

Accepted Answer

A)  This is a test question! 
B)  Congratulations!
That's a high score!
This is a test question! 
C)  That's a high score!
This is a test question! 
D)  Congratulations!
That's a high score! 
E)  None of these 
A)  This is a test question! 
B)  Congratulations!
That's a high score!
This is a test question! 
C)  That's a high score!
This is a test question! 
D)  Congratulations!
That's a high score! 
E)  None of these

Question 16

Given that x = 2, y = 1, and z = 0, what will the following cout statement display? cout << "answer = " << (x || !y && z) << endl;

Accepted Answer

A)  answer = 0 
B)  answer = 1 
C)  answer = 2 
D)  None of these 
A)  answer = 0 
B)  answer = 1 
C)  answer = 2 
D)  None of these

Question 17

This statement lets the value of a variable or expression determine where the program will branch to.

Accepted Answer

A)  switch 
B)  select 
C)  associative 
D)  scope 
E)  None of these 
A)  switch 
B)  select 
C)  associative 
D)  scope 
E)  None of these

Question 18

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 19

When an if statement is placed within the conditionally-executed code of another if statement, this is known as:

Accepted Answer

A)  complexity 
B)  overloading 
C)  nesting 
D)  validation 
E)  None of these 
A)  complexity 
B)  overloading 
C)  nesting 
D)  validation 
E)  None of these

Question 20

If you place a semicolon after the statement if (x < y)

Accepted Answer

A)  The code will not compile. 
B)  The compiler will interpret the semicolon as a null statement. 
C)  The if statement will always evaluate to false. 
D)  All of the above. 
E)  None of these. 
A)  The code will not compile. 
B)  The compiler will interpret the semicolon as a null statement. 
C)  The if statement will always evaluate to false. 
D)  All of the above. 
E)  None of these.

These operators connect two or more relational expressions into one, or reverse the logic of an expression.

Input values should always be checked for

What will be the output of the following code segment after the user enters 0 at the keyboard? int x = -1; cout << "Enter a 0 or a 1 from the keyboard: "; cin >> x; if (x) $\quad$ cout << "true" << endl; else $\quad$ cout << "false" << endl;

As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

When a program lets the user know that an invalid choice has been made, this is known as:

What will the following segment of code output if 11 is entered at the keyboard? int number; cin >> number; if (number > 0) $\quad$ cout << "C++"; else $\quad$ cout << "Soccer"; cout << " is "; cout << "fun" << endl;

What will following segment of code output? int x = 5; If (x = 2) $\quad$ cout << "This is true!" << endl; else $\quad$ cout << "This is false!" << endl; cout << "This is all folks!" << endl;

This operator is known as the logical OR operator.

The default section is required in a switch statement.

Which value can be entered to cause the following code segment to display the message "That number is acceptable." int number; cin >> number; If (number > 10 && number < 100) $\quad$ cout << "That number is acceptable.\n"; else $\quad$ cout << "That number is not acceptable.\n";

An expression that has any value other than 0 is considered true by an if statement.

What is assigned to the variable a given the statement below with the following assumptions: x = 10, y = 7, and z, a, and b are all int variables. a = x >= y;

This operator performs a logical NOT operation.

What will the following segment of code output? score = 40; if (score > 95) $\quad$ cout << "Congratulations!\n"; cout << "That's a high score!\n"; cout << "This is a test question!" << endl;

Given that x = 2, y = 1, and z = 0, what will the following cout statement display? cout << "answer = " << (x || !y && z) << endl;

This statement lets the value of a variable or expression determine where the program will branch to.

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

When an if statement is placed within the conditionally-executed code of another if statement, this is known as:

If you place a semicolon after the statement if (x < y)

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

These operators connect two or more relational expressions into one, or reverse the logic of an expression.

Input values should always be checked for

What will be the output of the following code segment after the user enters 0 at the keyboard? int x = -1; cout << "Enter a 0 or a 1 from the keyboard: "; cin >> x; if (x) \quad cout << "true" << endl; else \quad cout << "false" << endl;

As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

When a program lets the user know that an invalid choice has been made, this is known as:

What will the following segment of code output if 11 is entered at the keyboard? int number; cin >> number; if (number > 0) \quad cout << "C++"; else \quad cout << "Soccer"; cout << " is "; cout << "fun" << endl;

What will following segment of code output? int x = 5; If (x = 2) \quad cout << "This is true!" << endl; else \quad cout << "This is false!" << endl; cout << "This is all folks!" << endl;

This operator is known as the logical OR operator.

The default section is required in a switch statement.

Which value can be entered to cause the following code segment to display the message "That number is acceptable." int number; cin >> number; If (number > 10 && number < 100) \quad cout << "That number is acceptable.\n"; else \quad cout << "That number is not acceptable.\n";

An expression that has any value other than 0 is considered true by an if statement.

What is assigned to the variable a given the statement below with the following assumptions: x = 10, y = 7, and z, a, and b are all int variables. a = x >= y;

This operator performs a logical NOT operation.

What will the following segment of code output? score = 40; if (score > 95) \quad cout << "Congratulations!\n"; cout << "That's a high score!\n"; cout << "This is a test question!" << endl;

Given that x = 2, y = 1, and z = 0, what will the following cout statement display? cout << "answer = " << (x || !y && z) << endl;

This statement lets the value of a variable or expression determine where the program will branch to.

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

When an if statement is placed within the conditionally-executed code of another if statement, this is known as:

If you place a semicolon after the statement if (x < y)

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 will be the output of the following code segment after the user enters 0 at the keyboard? int x = -1; cout << "Enter a 0 or a 1 from the keyboard: "; cin >> x; if (x) $\quad$ cout << "true" << endl; else $\quad$ cout << "false" << endl;

What will the following segment of code output if 11 is entered at the keyboard? int number; cin >> number; if (number > 0) $\quad$ cout << "C++"; else $\quad$ cout << "Soccer"; cout << " is "; cout << "fun" << endl;

What will following segment of code output? int x = 5; If (x = 2) $\quad$ cout << "This is true!" << endl; else $\quad$ cout << "This is false!" << endl; cout << "This is all folks!" << endl;

Which value can be entered to cause the following code segment to display the message "That number is acceptable." int number; cin >> number; If (number > 10 && number < 100) $\quad$ cout << "That number is acceptable.\n"; else $\quad$ cout << "That number is not acceptable.\n";

What will the following segment of code output? score = 40; if (score > 95) $\quad$ cout << "Congratulations!\n"; cout << "That's a high score!\n"; cout << "This is a test question!" << endl;