Question 1

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 2

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

Accepted Answer

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

Question 3

What is the output of the following C++ code? num = 10;
while (num > 10) 
 \quad num = num - 2;
cout << num << endl;

Accepted Answer

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

Question 4

A do...while loop is a(n)____________________ loop,since the loop condition is evaluated after executing the body of the loop.

Accepted Answer

The answer of A do...while loop is a(n)____________________ loop,since the...

Question 5

Putting one control structure statement inside another is called ____________________.

Accepted Answer

The answer of Putting one control structure statement inside another...

Question 6

Suppose sum and num are int variables,and the input is 18 25 61 6 -1.What is the output of the following code? sum = 0; Cin >> num; While (num != -1) { \quad Sum = sum + num; \quad Cin >> num; } Cout << sum << endl;

Accepted Answer

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

Question 7

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

Question 8

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

Accepted Answer

cstdlib

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

A) True 
 B)False  False

Question 13

What is the output of the following C++ code? count = 1;
num = 25;
while (count \quad num = num - 1;
 \quad count++;
}
cout << count << " " << num << endl;

Accepted Answer

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

Question 14

Consider the following code. int limit; Int reps = 0; Cin >> limit; While (reps \quad Cin >> entry; \quad Triple = entry * 3; \quad Cout \quad Reps++; } Cout << endl; This code is an example of a(n) ____ while loop.

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

The for loop body executes indefinitely if the loop condition is always ____________________.

Accepted Answer

A) True 
 B)False

Question 17

What is the initial statement in the following for loop? (Assume that all variables are properly declared.)  int i;
For (i = 1; i \quad Cout \quad Cout << "!" << endl;

Accepted Answer

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

Question 18

____ loops are called posttest loops.

Accepted Answer

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

Question 19

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

Question 20

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 loop...

Exam 5: Control Structures II (Repetition)

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the output of the following C++ code? num = 10; while (num > 10) \quad num = num - 2; cout << num << endl;

Correct AnswerverifiedShow Answer

A do...while loop is a(n)____________________ loop,since the loop condition is evaluated after executing the body of the loop.

Correct AnswerverifiedShow Answer

Putting one control structure statement inside another is called ____________________.

Correct AnswerverifiedShow Answer

Suppose sum and num are int variables,and the input is 18 25 61 6 -1.What is the output of the following code? sum = 0; Cin >> num; While (num != -1) { \quad Sum = sum + num; \quad Cin >> num; } Cout << sum << endl;

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedcstdlib

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedFalse

What is the output of the following C++ code? count = 1; num = 25; while (count < 25) { \quad num = num - 1; \quad count++; } cout << count << " " << num << endl;

Correct AnswerverifiedShow Answer

Consider the following code. int limit; Int reps = 0; Cin >> limit; While (reps < limit) { \quad Cin >> entry; \quad Triple = entry * 3; \quad Cout << triple; \quad Reps++; } Cout << endl; This code is an example of a(n) ____ while loop.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The for loop body executes indefinitely if the loop condition is always ____________________.

Correct AnswerverifiedShow Answer

What is the initial statement in the following for loop? (Assume that all variables are properly declared.) int i; For (i = 1; i < 20; i++) \quad Cout << "Hello World"; \quad Cout << "!" << endl;

Correct AnswerverifiedShow Answer

____ loops are called posttest loops.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

What is the output of the following C++ code? num = 10; while (num > 10) $\quad$ num = num - 2; cout << num << endl;

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Suppose sum and num are int variables,and the input is 18 25 61 6 -1.What is the output of the following code? sum = 0; Cin >> num; While (num != -1) { $\quad$ Sum = sum + num; $\quad$ Cin >> num; } Cout << sum << endl;

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
cstdlib

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

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

Correct Answer
verified
False

What is the output of the following C++ code? count = 1; num = 25; while (count < 25) { $\quad$ num = num - 1; $\quad$ count++; } cout << count << " " << num << endl;

Correct Answer
verified

Consider the following code. int limit; Int reps = 0; Cin >> limit; While (reps < limit) { $\quad$ Cin >> entry; $\quad$ Triple = entry * 3; $\quad$ Cout << triple; $\quad$ Reps++; } Cout << endl; This code is an example of a(n) ____ while loop.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the initial statement in the following for loop? (Assume that all variables are properly declared.) int i; For (i = 1; i < 20; i++) $\quad$ Cout << "Hello World"; $\quad$ Cout << "!" << endl;

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified