Question 1

What is the output of the following segment of code if the value 4 is input by the user when asked to enter a number?

Accepted Answer

A)  0
B)  3
C)  13
D)  28
E)  None of theseF) B) and E)
G) A) and B)

Question 2

When a program lets the user know that an invalid choice has been made, this is known as:

Accepted Answer

A)  input validation
B)  output correction
C)  compiler criticism
D)  output validation
E)  None of theseF) A) and D)
G) C) and D) A

Question 3

If you intend to place a block of statements within an if statement, you must place these around the block.

Accepted Answer

A)  Parentheses ( ) 
B)  Square brackets [ ]
C)  Angle brackets 
D)  Curly braces { }
E)  None of theseF) D) and E)
G) B) and C)

Question 4

This operator is known as the logical OR operator.

Accepted Answer

A)  --
B)  //
C)  #
D)  ||
E)  None of theseF) C) and D)
G) B) and C) D

Question 5

As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

Accepted Answer

A) True 
 B)False

Question 6

Without this statement appearing in a switch construct, the program "falls through" all of the statements below the one with the matching case expression.

Accepted Answer

A)  break
B)  exit
C)  switch
D)  scope
E)  None of theseF) A) and D)
G) D) and E)

Question 7

When a relational expression is false, it has the value ________.

Accepted Answer

A)  one
B)  zero
C)  zero, one, or minus one
D)  less than zero
E)  None of theseF) None of the above
G) C) and D)

Question 8

In C++ the = operator indicates:

Accepted Answer

A)  equality
B)  assignment
C)  subtraction
D)  negation
E)  None of theseF) B) and E)
G) A) and D) B

Question 9

You should be careful when using the equality operator to compare floating point values because of potential round-off errors.

Accepted Answer

A) True 
 B)False

Question 10

Given the following code segment, what is output after "result = "?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  None of theseF) None of the above
G) A) and C)

Question 11

What is the output of the following code?

Accepted Answer

A)  98
B)  99
C)  0
D)  1E) A) and C)
F) A) and B)

Question 12

Which line in the following program will cause a compiler error?

Accepted Answer

A)  6
B)  8
C)  10
D)  9E) A) and C)
F) B) and C)

Question 13

What will be the output of the following code segment after the user enters 0 at the keyboard?

Accepted Answer

A)  Nothing will be displayed.
B)  false
C)  x
D)  trueE) C) and D)
F) B) and D)

Question 14

Input values should always be checked for:

Accepted Answer

A)  Appropriate range
B)  Reasonableness
C)  Division by zero, if division is taking place
D)  All of these
E)  None of theseF) B) and D)
G) A) and B)

Question 15

Which statement allows you to properly check the char variable code to determine whether it is equal to a "C" and then output "This is a check" and then advance to a new line?

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) A) and C)

Question 16

This operator is used in C++ to represent equality.

Accepted Answer

A)  =
B)  >
C)  !!
D)  ==
E)  None of theseF) All of the above
G) B) and D)

Question 17

What will the following segment of code output if the value 11 is entered at the keyboard?

Accepted Answer

A)  C++ is fun
B)  Soccer is fun
C)  C++
D)  C++fun
E)  SoccerfunF) B) and E)
G) C) and D)

Question 18

What is the value of donuts after the following code executes?

Accepted Answer

A)  12
B)  10
C)  0
D)  2E) A) and D)
F) A) and C)

Question 19

What will the following segment of code output?

Accepted Answer

A)  This is a test question!
B)  Congratulations! That's a high score! This is a test question!
C)  That's a high score! This is a test question!
D)  Congratulations! That's a high score!
E)  None of theseF) A) and C)
G) A) and E)

Question 20

The following code correctly determines whether x contains a value in the range of 0 through 100.
if (x >= 0 && <= 100)

Accepted Answer

A) True 
 B)False

Exam 4: Making Decisions

What is the output of the following segment of code if the value 4 is input by the user when asked to enter a number?

Correct AnswerverifiedShow Answer

When a program lets the user know that an invalid choice has been made, this is known as:

Correct AnswerverifiedA

If you intend to place a block of statements within an if statement, you must place these around the block.

Correct AnswerverifiedShow Answer

This operator is known as the logical OR operator.

Correct AnswerverifiedD

As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

Correct AnswerverifiedShow Answer

Without this statement appearing in a switch construct, the program "falls through" all of the statements below the one with the matching case expression.

Correct AnswerverifiedShow Answer

When a relational expression is false, it has the value ________.

Correct AnswerverifiedShow Answer

In C++ the = operator indicates:

Correct AnswerverifiedB

You should be careful when using the equality operator to compare floating point values because of potential round-off errors.

Correct AnswerverifiedShow Answer

Given the following code segment, what is output after "result = "?

Correct AnswerverifiedShow Answer

What is the output of the following code?

Correct AnswerverifiedShow Answer

Which line in the following program will cause a compiler error?

Correct AnswerverifiedShow Answer

What will be the output of the following code segment after the user enters 0 at the keyboard?

Correct AnswerverifiedShow Answer

Input values should always be checked for:

Correct AnswerverifiedShow Answer

Which statement allows you to properly check the char variable code to determine whether it is equal to a "C" and then output "This is a check" and then advance to a new line?

Correct AnswerverifiedShow Answer

This operator is used in C++ to represent equality.

Correct AnswerverifiedShow Answer

What will the following segment of code output if the value 11 is entered at the keyboard?

Correct AnswerverifiedShow Answer

What is the value of donuts after the following code executes?

Correct AnswerverifiedShow Answer

What will the following segment of code output?

Correct AnswerverifiedShow Answer

The following code correctly determines whether x contains a value in the range of 0 through 100. if (x >= 0 && <= 100)

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

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