Question 1

What will the following code display? 
int number = 6;
cout << ++number << endl;

Accepted Answer

A)  6 
B)  5 
C)  7 
D)  0 
A)  6 
B)  5 
C)  7 
D)  0

Question 2

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed:

Accepted Answer

A)  at least once 
B)  at least twice 
C)  as many times as the user wishes 
D)  never 
E)  None of these 
A)  at least once 
B)  at least twice 
C)  as many times as the user wishes 
D)  never 
E)  None of these

Question 3

Assuming outFile is a file stream object and number is a variable, which statement writes the contents of number to the file associated with outFile?

Accepted Answer

A)  write(outFile, number); 
B)  outFile >> number; 
C)  outFile > outFile; 
A)  write(outFile, number); 
B)  outFile >> number; 
C)  outFile > outFile;

Question 4

If you want a user to enter exactly 20 values, which loop would be the best to use?

Accepted Answer

A)  do-while 
B)  for 
C)  while 
D)  infinite 
E)  None of these 
A)  do-while 
B)  for 
C)  while 
D)  infinite 
E)  None of these

Question 5

You may not use the break and continue statements within the same set of nested loops.

Accepted Answer

A) True 
 B)False

Question 6

A file _________ is a small holding section of memory that file-bound information is first written to.

Accepted Answer

A)  name 
B)  number 
C)  buffer 
D)  segment 
E)  None of these 
A)  name 
B)  number 
C)  buffer 
D)  segment 
E)  None of these

Question 7

What is the output of the following code segment? n = 1;
While (n <= 5)
Cout << n << ' ';
N++;

Accepted Answer

A)  1 2 3 4 5 
B)  1 1 1... and on forever 
C)  2 3 4 5 6 
D)  1 2 3 4 
E)  2 3 4 5 
A)  1 2 3 4 5 
B)  1 1 1... and on forever 
C)  2 3 4 5 6 
D)  1 2 3 4 
E)  2 3 4 5

Question 8

This is a special value that marks the end of a list of values.

Accepted Answer

A)  constant 
B)  variable 
C)  loop 
D)  sentinel 
E)  None of these 
A)  constant 
B)  variable 
C)  loop 
D)  sentinel 
E)  None of these

Question 9

This means to increase a value by one.

Accepted Answer

A)  decrement 
B)  increment 
C)  modulus 
D)  parse 
E)  None of these 
A)  decrement 
B)  increment 
C)  modulus 
D)  parse 
E)  None of these

Question 10

This operator increments the value of its operand, then uses the value in context.

Accepted Answer

A)  prefix increment 
B)  postfix increment 
C)  prefix decrement 
D)  postfix decrement 
E)  None of these 
A)  prefix increment 
B)  postfix increment 
C)  prefix decrement 
D)  postfix decrement 
E)  None of these

Question 11

You may define a __________ in the initialization expression of a for loop.

Accepted Answer

A)  constant 
B)  function 
C)  variable 
D)  new data type 
E)  None of these 
A)  constant 
B)  function 
C)  variable 
D)  new data type 
E)  None of these

Question 12

What will the following code display? 
int number = 6;
number++;
cout << number << endl;

Accepted Answer

A)  6 
B)  5 
C)  7 
D)  0 
A)  6 
B)  5 
C)  7 
D)  0

Question 13

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

Accepted Answer

A)  do-while 
B)  while 
C)  for 
D)  infinite 
E)  None of these 
A)  do-while 
B)  while 
C)  for 
D)  infinite 
E)  None of these

Question 14

What will the following code display? 
int number = 6
int x = 0;
x = --number;
cout << x << endl;

Accepted Answer

A)  6 
B)  5 
C)  7 
D)  0 
A)  6 
B)  5 
C)  7 
D)  0

Question 15

How many times will the following loop display "Hello"? 
for (int i = 1; i < 20; i++)
$\quad$cout << "Hello!" << endl;

Accepted Answer

A)  20 
B)  19 
C)  21 
D)  An infinite number of times 
A)  20 
B)  19 
C)  21 
D)  An infinite number of times

Question 16

Multiple relational expressions cannot be placed into the test condition of a for loop.

Accepted Answer

A) True 
 B)False

Question 17

An initialization expression may be omitted from the for loop if no initialization is required.

Accepted Answer

A) True 
 B)False

Question 18

It is possible to define a file stream object and open a file in one statement.

Accepted Answer

A) True 
 B)False

Question 19

If you want to stop a loop before it goes through all its iterations, the break statement may be used.

Accepted Answer

A) True 
 B)False

Question 20

You may nest while and do-while loops, but you may not nest for loops.

Accepted Answer

A) True 
 B)False

What will the following code display? int number = 6; cout << ++number << endl;

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed:

Assuming outFile is a file stream object and number is a variable, which statement writes the contents of number to the file associated with outFile?

If you want a user to enter exactly 20 values, which loop would be the best to use?

You may not use the break and continue statements within the same set of nested loops.

A file _________ is a small holding section of memory that file-bound information is first written to.

What is the output of the following code segment? n = 1; While (n <= 5) Cout << n << ' '; N++;

This is a special value that marks the end of a list of values.

This means to increase a value by one.

This operator increments the value of its operand, then uses the value in context.

You may define a __________ in the initialization expression of a for loop.

What will the following code display? int number = 6; number++; cout << number << endl;

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

What will the following code display? int number = 6 int x = 0; x = --number; cout << x << endl;

How many times will the following loop display "Hello"? for (int i = 1; i < 20; i++) $\quad$ cout << "Hello!" << endl;

Multiple relational expressions cannot be placed into the test condition of a for loop.

An initialization expression may be omitted from the for loop if no initialization is required.

It is possible to define a file stream object and open a file in one statement.

If you want to stop a loop before it goes through all its iterations, the break statement may be used.

You may nest while and do-while loops, but you may not nest for loops.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

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 5: Loops and Files

What will the following code display? int number = 6; cout << ++number << endl;

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed:

Assuming outFile is a file stream object and number is a variable, which statement writes the contents of number to the file associated with outFile?

If you want a user to enter exactly 20 values, which loop would be the best to use?

You may not use the break and continue statements within the same set of nested loops.

A file _________ is a small holding section of memory that file-bound information is first written to.

What is the output of the following code segment? n = 1; While (n <= 5) Cout << n << ' '; N++;

This is a special value that marks the end of a list of values.

This means to increase a value by one.

This operator increments the value of its operand, then uses the value in context.

You may define a __________ in the initialization expression of a for loop.

What will the following code display? int number = 6; number++; cout << number << endl;

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

What will the following code display? int number = 6 int x = 0; x = --number; cout << x << endl;

How many times will the following loop display "Hello"? for (int i = 1; i < 20; i++) \quad cout << "Hello!" << endl;

Multiple relational expressions cannot be placed into the test condition of a for loop.

An initialization expression may be omitted from the for loop if no initialization is required.

It is possible to define a file stream object and open a file in one statement.

If you want to stop a loop before it goes through all its iterations, the break statement may be used.

You may nest while and do-while loops, but you may not nest for loops.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

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

How many times will the following loop display "Hello"? for (int i = 1; i < 20; i++) $\quad$ cout << "Hello!" << endl;