Question 1

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 loopE) A) and B)
F) A) and C)

Question 2

What is the output of the following loop?

Accepted Answer

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

Question 3

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)   273E) All of the above
F) A) and B)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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 6

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

Accepted Answer

A) True 
 B)False

Question 7

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 8

The following while loop terminates when j > 20.

Accepted Answer

A) True 
 B)False

Question 9

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 10

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

Accepted Answer

A)   5
B)   10
C)   20
D)   40E) B) and D)
F) All of the above

Question 11

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 loopE) None of the above
F) B) and C)

Question 12

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

Accepted Answer

A)   24 0
B)   24 1
C)   25 0
D)   25 1E) A) and B)
F) All of the above

Question 13

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)   127E) A) and C)
F) A) and B)

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 loopE) A) and B)
F) B) and D)

Question 15

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

Accepted Answer

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

Question 16

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 17

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

Accepted Answer

A)   if
B)   switch
C)   while...do
D)   do...whileE) None of the above
F) B) and C)

Question 18

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-controlledE) All of the above
F) C) and D)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

The answer of A loop ____________________ is a set of...

Exam 5: Control Structures II Repetition

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The following while loop terminates when j > 20.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the output of the following loop?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified