Question 1

The ____________________ loop has an exit condition but no entry condition.

Accepted Answer

do...while

Question 2

Assume all variables are properly declared.The output of the following C++ code is 2 3 4 5.
n = 1;
while (n < 5)
{
$\quad$n++;
$\quad$cout << n << " ";
}

Accepted Answer

A) True 
 B)False

Question 3

The function srand takes as input a(n)____________________ int,which acts as the seed for the algorithm.

Accepted Answer

The answer of The function srand takes as input a(n)____________________...

Question 4

The control variable in a flag-controlled while loop is a bool variable.

Accepted Answer

A) True 
 B)False

Question 5

A software ____________________ is a piece of code written on top of an existing piece of code intended to fix a bug in the original code.

Accepted Answer

The answer of A software ____________________ is a piece of...

Question 6

In a counter-controlled while loop,the loop control variable must be initialized before the loop.

Accepted Answer

A) True 
 B)False

Question 7

The ____________________ statement is typically used for two purposes:
• To exit early from a loop.
• To skip the remainder of a switch structure.

Accepted Answer

The answer of The ____________________ statement is typically used for...

Question 8

In a sentinel-controlled while loop,the body of the loop continues to execute until the EOF symbol is read.

Accepted Answer

A) True 
 B)False

Question 9

A for loop is typically called a counted or ____________________ for loop.

Accepted Answer

The answer of A for loop is typically called a...

Question 10

What is the output of the following loop? count = 5;
cout << 'St';
do
{
$\quad$cout << 'o';
$\quad$count--;
}
while (count <= 5);

Accepted Answer

A)  St 
B)  Sto 
C)  Stop 
D)  This is an infinite loop. 
A)  St 
B)  Sto 
C)  Stop 
D)  This is an infinite loop.

Question 11

In the case of the sentinel-controlled while loop,the first item is read before the while loop is entered.

Accepted Answer

A) True 
 B)False

Question 12

The following while loop terminates when j > 20.
j = 0;
while (j < 20)
j++;

Accepted Answer

A) True 
 B)False

Question 13

Which of the following loops does not have an entry condition?

Accepted Answer

A)  EOF-controlled while loop 
B)  sentinel-controlled while loop 
C)  do...while loop 
D)  for loop 
A)  EOF-controlled while loop 
B)  sentinel-controlled while loop 
C)  do...while loop 
D)  for loop

Question 14

When a continue statement is executed in a ____,the update statement always executes.

Accepted Answer

A)  while loop 
B)  for loop 
C)  switch structure 
D)  do...while loop 
A)  while loop 
B)  for loop 
C)  switch structure 
D)  do...while loop

Question 15

Consider the following code.(Assume that all variables are properly declared.) 
cin >> ch;
While (cin)
{
$\quad$cout > ch;
}
This code is an example of a(n)____ while loop.

Accepted Answer

A)  sentinel-controlled 
B)  flag-controlled 
C)  EOF-controlled 
D)  counter-controlled 
A)  sentinel-controlled 
B)  flag-controlled 
C)  EOF-controlled 
D)  counter-controlled

Question 16

What is the output of the following C++ code? num = 100;
while (num <= 150)
$\quad$num = num + 5;
cout << num << endl;

Accepted Answer

A)  150 
B)  155 
C)  160 
D)  165 
A)  150 
B)  155 
C)  160 
D)  165

Question 17

If a(n)____________________ statement is placed in a do...while structure,the loop-continue test is evaluated immediately after this statement.

Accepted Answer

The answer of If a(n)____________________ statement is placed in a...

Question 18

The statement in the body of a while loop acts as a decision maker.

Accepted Answer

A) True 
 B)False

Question 19

In a(n)"____________________" problem,either the loop executes one too many or one too few times.

Accepted Answer

off-by-one

Question 20

The ____ statement can be used to eliminate the use of certain (flag)variables.

Accepted Answer

A)  while 
B)  switch 
C)  break 
D)  if 
A)  while 
B)  switch 
C)  break 
D)  if

Exam 5: Control Structures II (Repetition)

The ____________________ loop has an exit condition but no entry condition.

Assume all variables are properly declared.The output of the following C++ code is 2 3 4 5. n = 1; while (n < 5) { \quad n++; \quad cout << n << " "; }

The function srand takes as input a(n)____________________ int,which acts as the seed for the algorithm.

The control variable in a flag-controlled while loop is a bool variable.

A software ____________________ is a piece of code written on top of an existing piece of code intended to fix a bug in the original code.

In a counter-controlled while loop,the loop control variable must be initialized before the loop.

The ____________________ statement is typically used for two purposes: • To exit early from a loop. • To skip the remainder of a switch structure.

In a sentinel-controlled while loop,the body of the loop continues to execute until the EOF symbol is read.

A for loop is typically called a counted or ____________________ for loop.

What is the output of the following loop? count = 5; cout << 'St'; do { \quad cout << 'o'; \quad count--; } while (count <= 5);

In the case of the sentinel-controlled while loop,the first item is read before the while loop is entered.

The following while loop terminates when j > 20. j = 0; while (j < 20) j++;

Which of the following loops does not have an entry condition?

When a continue statement is executed in a ____,the update statement always executes.

Consider the following code.(Assume that all variables are properly declared.) cin >> ch; While (cin) { \quad cout << ch; \quad cin >> ch; } This code is an example of a(n)____ while loop.

What is the output of the following C++ code? num = 100; while (num <= 150) \quad num = num + 5; cout << num << endl;

If a(n)____________________ statement is placed in a do...while structure,the loop-continue test is evaluated immediately after this statement.

The statement in the body of a while loop acts as a decision maker.

In a(n)"____________________" problem,either the loop executes one too many or one too few times.

The ____ statement can be used to eliminate the use of certain (flag)variables.

An Overview of Computers and Programming Languages

Basic Elements of C++

Input/Output

Control Structures I (Selection)

User-Defined Functions

User-Defined Simple Data Types, Namespaces, and the string Type

Arrays and Strings

Records (structs)

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, Abstract Classes, and Lists

Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queues

Searching and Sorting Algorithms

Binary Trees

Graphs

Standard Template Library (STL)

Filters

Assume all variables are properly declared.The output of the following C++ code is 2 3 4 5. n = 1; while (n < 5) { $\quad$ n++; $\quad$ cout << n << " "; }

What is the output of the following loop? count = 5; cout << 'St'; do { $\quad$ cout << 'o'; $\quad$ count--; } while (count <= 5);

Consider the following code.(Assume that all variables are properly declared.) cin >> ch; While (cin) { $\quad$ cout << ch; $\quad$ cin >> ch; } This code is an example of a(n)____ while loop.

What is the output of the following C++ code? num = 100; while (num <= 150) $\quad$ num = num + 5; cout << num << endl;