Question 1

The following code correctly determines whether x contains a value in the range of 0 through 100, inclusive.
if (x > 0 && <= 100)

Accepted Answer

A) True 
 B)False  False

Question 2

Given the following code segment, what is the output?
int x = 1, y = 1, z = 1;
y = y + z;
x = x + y;
cout << "result = " << (x < y ? y : x) << endl;

Accepted Answer

A)  result = 0 
B)  result = 1 
C)  result = 2 
D)  result = 3 
E)  there will be no output 
A)  result = 0 
B)  result = 1 
C)  result = 2 
D)  result = 3 
E)  there will be no output D

Question 3

Both of the following if statements perform the same operation.
1. if (sales > 10000)
$\quad$$\quad$commissionRate = 0.15;
2. if (sales > 10000) commissionRate = 0.15;

Accepted Answer

A) True 
 B)False  True

Question 4

The conditional operator takes two operands.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

If you intend to place a block of statements within an if statement, you must place __________ around the block:

Accepted Answer

A)  parentheses ( ) 
B)  square brackets [ ] 
C)  angle brackets  
D)  curly braces { } 
E)  None of these 
A)  parentheses ( ) 
B)  square brackets [ ] 
C)  angle brackets  
D)  curly braces { } 
E)  None of these

Question 7

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 these are true 
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 these are true 
E)  None of these

Question 8

Given the if/else statement:
If (a < 5)
B = 12;
Else
D = 30;
Which of the following performs the same operation?

Accepted Answer

A)  a = 5 ? d = 30 : b = 12; 
D)  d = 30 ? b = 12 : a = 5; 
E)  None of these 
A)  a = 5 ? d = 30 : b = 12; 
D)  d = 30 ? b = 12 : a = 5; 
E)  None of these

Question 9

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

Question 10

What is the value of donuts after the following statement executes?
int donuts = 10;
if (donuts = 1)
$\quad$donuts = 0;
else
$\quad$donuts += 2;

Accepted Answer

A)  12 
B)  10 
C)  0 
D)  1 
E)  None of these 
A)  12 
B)  10 
C)  0 
D)  1 
E)  None of these

Question 11

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

Accepted Answer

A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these 
A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these

Question 12

What is the value of the following expression?
True || False

Accepted Answer

A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these 
A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these

Question 13

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

Accepted Answer

A)  arithmetic operator 
B)  relative operator 
C)  relational expression 
D)  arithmetic expression 
E)  None of these 
A)  arithmetic operator 
B)  relative operator 
C)  relational expression 
D)  arithmetic expression 
E)  None of these

Question 14

What will be displayed after the following statements execute?
int funny = 7, serious = 15;
funny = serious % 2;
if (funny != 1)
{
$\quad$funny = 0;
$\quad$serious = 0;
}
else if (funny == 2)
{
$\quad$funny = 10;
$\quad$serious = 10;
}
else
{
$\quad$funny = 1;
$\quad$serious = 1;
}
cout << funny << " " << serious << endl;

Accepted Answer

A)  7 15 
B)  0 0 
C)  10 10 
D)  1 1 
E)  None of these 
A)  7 15 
B)  0 0 
C)  10 10 
D)  1 1 
E)  None of these

Question 15

This operator represents the logical OR:

Accepted Answer

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

Question 16

After the following code executes, what is the output if user enters 0?
int x = -1;
cout > x;
if (c)
$\quad$cout << "true" << endl;
else
$\quad$cout << "False" << endl;

Accepted Answer

A)  nothing will be displayed 
B)  False 
C)  x 
D)  true 
E)  0 
A)  nothing will be displayed 
B)  False 
C)  x 
D)  true 
E)  0

Question 17

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) Cout << "That number is acceptable. "; Else Cout << "That number is not acceptable. ";

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 18

What is the value of the following expression?
True && False

Accepted Answer

A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these 
A)  true 
B)  False 
C)  -1 
D)  +1 
E)  None of these

Question 19

What is the output of the following segment of code if the value 4 is input by the user?
int num;
int total = 0;
cout > num;
switch (num)
{
case 1:
case 2:
$\quad$total = 5;
case 3:
$\quad$total = 10;
case 4:
$\quad$total = total + 3;
Case 8:
$\quad$total = total + 6;
default:
$\quad$total = total + 4;
}
cout << total << endl;

Accepted Answer

A)  0 
B)  3 
C)  13 
D)  23 
E)  None of these 
A)  0 
B)  3 
C)  13 
D)  23 
E)  None of these

Question 20

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

The following code correctly determines whether x contains a value in the range of 0 through 100, inclusive. if (x > 0 && <= 100)

Given the following code segment, what is the output? int x = 1, y = 1, z = 1; y = y + z; x = x + y; cout << "result = " << (x < y ? y : x) << endl;

Both of the following if statements perform the same operation. 1. if (sales > 10000) $\quad$ $\quad$ commissionRate = 0.15; 2. if (sales > 10000) commissionRate = 0.15;

The conditional operator takes two operands.

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

If you intend to place a block of statements within an if statement, you must place __________ around the block:

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

Given the if/else statement: If (a < 5) B = 12; Else D = 30; Which of the following performs the same operation?

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

What is the value of donuts after the following statement executes? int donuts = 10; if (donuts = 1) $\quad$ donuts = 0; else $\quad$ donuts += 2;

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

What is the value of the following expression? True || False

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

This operator represents the logical OR:

After the following code executes, what is the output if user enters 0? int x = -1; cout << "Enter a 0 or 1: "; cin >> x; if (c) $\quad$ cout << "true" << endl; else $\quad$ cout << "False" << 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) Cout << "That number is acceptable.\n"; Else Cout << "That number is not acceptable.\n";

What is the value of the following expression? True && False

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

Introduction to Computers and Programming

Introduction to C

Expressions and Interactivity

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

Exam 4: Making Decisions

The following code correctly determines whether x contains a value in the range of 0 through 100, inclusive. if (x > 0 && <= 100)

Given the following code segment, what is the output? int x = 1, y = 1, z = 1; y = y + z; x = x + y; cout << "result = " << (x < y ? y : x) << endl;

Both of the following if statements perform the same operation. 1. if (sales > 10000) \quad\quad commissionRate = 0.15; 2. if (sales > 10000) commissionRate = 0.15;

The conditional operator takes two operands.

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

If you intend to place a block of statements within an if statement, you must place __________ around the block:

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

Given the if/else statement: If (a < 5) B = 12; Else D = 30; Which of the following performs the same operation?

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

What is the value of donuts after the following statement executes? int donuts = 10; if (donuts = 1) \quad donuts = 0; else \quad donuts += 2;

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

What is the value of the following expression? True || False

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

This operator represents the logical OR:

After the following code executes, what is the output if user enters 0? int x = -1; cout << "Enter a 0 or 1: "; cin >> x; if (c) \quad cout << "true" << endl; else \quad cout << "False" << 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) Cout << "That number is acceptable.\n"; Else Cout << "That number is not acceptable.\n";

What is the value of the following expression? True && False

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

Introduction to Computers and Programming

Introduction to C

Expressions and Interactivity

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

Both of the following if statements perform the same operation. 1. if (sales > 10000) $\quad$ $\quad$ commissionRate = 0.15; 2. if (sales > 10000) commissionRate = 0.15;

What is the value of donuts after the following statement executes? int donuts = 10; if (donuts = 1) $\quad$ donuts = 0; else $\quad$ donuts += 2;

After the following code executes, what is the output if user enters 0? int x = -1; cout << "Enter a 0 or 1: "; cin >> x; if (c) $\quad$ cout << "true" << endl; else $\quad$ cout << "False" << endl;