Question 1

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 2

Which of the following statements generates a random number between 0 and 50?

Accepted Answer

A)  srand(time(0));
Num = rand() % 50; 
B)  srand(time(10));
Num = rand()/50; 
C)  srand(time(0));
Num = rand()50; 
D)  srand(time(10));
Num = rand() % 50; 
A)  srand(time(0));
Num = rand() % 50; 
B)  srand(time(10));
Num = rand()/50; 
C)  srand(time(0));
Num = rand()50; 
D)  srand(time(10));
Num = rand() % 50;

Question 3

What is the value of x after the following statements execute?

Accepted Answer

A)  5 
B)  10 
C)  20 
D)  40 
A)  5 
B)  10 
C)  20 
D)  40

Question 4

The function eof is a member of the data type ____________________.

Accepted Answer

The answer of The function eof is a member of...

Question 5

Suppose sum, num, and j are int variables, and the input is 4 7 12 9 -1.What is the output of the following code?

Accepted Answer

A)  24 
B)  25 
C)  41 
D)  42 
A)  24 
B)  25 
C)  41 
D)  42

Question 6

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 7

Assume all variables are properly declared.The output of the following C++ code is 2 3 4 5.

Accepted Answer

A) True 
 B)False

Question 8

Suppose sum and num are int variables, and the input is 18 25 61 6 -1.What is the output of the following code?

Accepted Answer

A)  92 
B)  109 
C)  110 
D)  119 
A)  92 
B)  109 
C)  110 
D)  119

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

A semicolon at the end of the for statement (just before the body of the loop) is a(n) ____________________ error.

Accepted Answer

The answer of A semicolon at the end of the...

Question 11

A(n) ____-controlled while loop uses a bool variable to control the loop.

Accepted Answer

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

Question 12

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 13

____ loops are called posttest loops.

Accepted Answer

A)  break 
B)  for 
C)  while 
D)  do...while 
A)  break 
B)  for 
C)  while 
D)  do...while

Question 14

Suppose j, sum, and num are int variables, and the input is 26 34 61 4 -1.What is the output of the code?

Accepted Answer

A)  124 
B)  125 
C)  126 
D)  127 
A)  124 
B)  125 
C)  126 
D)  127

Question 15

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

Question 16

Which of the following is a repetition structure in C++?

Accepted Answer

A)  if 
B)  switch 
C)  while...do 
D)  do...while 
A)  if 
B)  switch 
C)  while...do 
D)  do...while

Question 17

What is the initial statement in the following for loop? (Assume that all variables are properly declared.)

Accepted Answer

A)  i = 1; 
B)  i < 20; 
C)  i++; 
D)  cout << "Hello World"; 
A)  i = 1; 
B)  i < 20; 
C)  i++; 
D)  cout << "Hello World";

Question 18

What is the output of the following loop?

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 19

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 20

Which of the following loops is guaranteed to execute at least once?

Accepted Answer

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

Exam 5: Control Structures Ii Repetition

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

Which of the following statements generates a random number between 0 and 50?

What is the value of x after the following statements execute?

The function eof is a member of the data type ____________________.

Suppose sum, num, and j are int variables, and the input is 4 7 12 9 -1.What is the output of the following code?

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

Assume all variables are properly declared.The output of the following C++ code is 2 3 4 5.

Suppose sum and num are int variables, and the input is 18 25 61 6 -1.What is the output of the following code?

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

A semicolon at the end of the for statement (just before the body of the loop) is a(n) ____________________ error.

A(n) ____-controlled while loop uses a bool variable to control the loop.

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

____ loops are called posttest loops.

Suppose j, sum, and num are int variables, and the input is 26 34 61 4 -1.What is the output of the code?

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

Which of the following is a repetition structure in C++?

What is the initial statement in the following for loop? (Assume that all variables are properly declared.)

What is the output of the following loop?

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

Which of the following loops is guaranteed to execute at least once?

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