Question 1

Which executes first in a do...while loop?

Accepted Answer

A)  the statement 
B)  loop condition 
C)  the expression 
D)  update statement 
A)  the statement 
B)  loop condition 
C)  the expression 
D)  update statement A

Question 2

A loop ____________________ is a set of statements that remains true each time the loop body is executed.

Accepted Answer

invariant

Question 3

What is the output of the following C++ code?

Accepted Answer

A)  10 
B)  10 10 
C)  10 11 
D)  11 11 
A)  10 
B)  10 10 
C)  10 11 
D)  11 11 C

Question 4

The number of iterations of a counter-controlled loop is known in advance.

Accepted Answer

A) True 
 B)False

Question 5

The control statements in the for loop include the initial statement, loop condition, and update statement.

Accepted Answer

A) True 
 B)False

Question 6

To generate a random number, you can use the function rand of the header file ____________________.

Accepted Answer

The answer of To generate a random number, you can...

Question 7

What is the output of the following C++ code?

Accepted Answer

A)  0 
B)  6 
C)  8 
D)  10 
A)  0 
B)  6 
C)  8 
D)  10

Question 8

In ____ structures, the computer repeats particular statements a certain number of times depending on some condition(s).

Accepted Answer

A)  looping 
B)  branching 
C)  selection 
D)  sequence 
A)  looping 
B)  branching 
C)  selection 
D)  sequence

Question 9

In a while and for loop, the loop condition is evaluated before executing the body of the loop.Therefore, while and for loops are called ____________________ loops.

Accepted Answer

The answer of In a while and for loop, the...

Question 10

Consider the following code. This code is an example of a(n) ____ while loop.

Accepted Answer

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

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Consider the following code.(Assume that all variables are properly declared.) 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 13

A loop that continues to execute endlessly is called a(n) ____ loop.

Accepted Answer

A)  end 
B)  unhinged 
C)  infinite 
D)  definite 
A)  end 
B)  unhinged 
C)  infinite 
D)  definite

Question 14

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 15

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

Accepted Answer

A) True 
 B)False

Question 16

What executes immediately after a continue statement in a while and do-while loop?

Accepted Answer

A)  loop-continue test 
B)  update statement 
C)  loop condition 
D)  the body of the loop 
A)  loop-continue test 
B)  update statement 
C)  loop condition 
D)  the body of the loop

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

Assume that all variables are properly declared.The following for loop executes 20 times.
for (i = 0; i <= 20; i++)
cout << i;

Accepted Answer

A) True 
 B)False

Question 19

What is the output of the following C++ code?

Accepted Answer

A)  24 0 
B)  24 1 
C)  25 0 
D)  25 1 
A)  24 0 
B)  24 1 
C)  25 0 
D)  25 1

Question 20

What is the next Fibonacci number in the following sequence? 1, 1, 2, 3, 5, 8, 13, 21, ...

Accepted Answer

A)  34 
B)  43 
C)  56 
D)  273 
A)  34 
B)  43 
C)  56 
D)  273

Exam 5: Control Structures Ii Repetition

Which executes first in a do...while loop?

A loop ____________________ is a set of statements that remains true each time the loop body is executed.

What is the output of the following C++ code?

The number of iterations of a counter-controlled loop is known in advance.

The control statements in the for loop include the initial statement, loop condition, and update statement.

To generate a random number, you can use the function rand of the header file ____________________.

What is the output of the following C++ code?

In ____ structures, the computer repeats particular statements a certain number of times depending on some condition(s).

In a while and for loop, the loop condition is evaluated before executing the body of the loop.Therefore, while and for loops are called ____________________ loops.

Consider the following code. This code is an example of a(n) ____ while loop.

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

Consider the following code.(Assume that all variables are properly declared.) This code is an example of a(n) ____ while loop.

A loop that continues to execute endlessly is called a(n) ____ loop.

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

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

What executes immediately after a continue statement in a while and do-while loop?

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

Assume that all variables are properly declared.The following for loop executes 20 times. for (i = 0; i <= 20; i++) cout << i;

What is the output of the following C++ code?

What is the next Fibonacci number in the following sequence? 1, 1, 2, 3, 5, 8, 13, 21, ...

An Overview of Computers and Programming Languages

Basic Elements of C++

Inputoutput

Control Structures I Selection

User-Defined Function

Namespaces, the Class String, and User-Defined Simple Data Types

Arrays

Records Structs

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, and Abstract Classes

Operator Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queue

Searching and Sorting Algorithms

Binary Trees

Graph Algorithms

Standard Template Library

Filters