Question 1

A pair of characters or a pair of string objects can be compared with any of the relational operators.

Accepted Answer

A) True 
 B)False

Question 2

The following C++ test checks if the variable child is in the range 3 - 12.
if (child >= 3 && <= 12)

Accepted Answer

A) True 
 B)False

Question 3

The ________ operator is used in C++ to test for equality.

Accepted Answer

A)   =
B)   
C)   &&
D)   ==
E)   ||F) A) and E)
G) C) and E) D

Question 4

The ________ operator is known as the logical OR operator.

Accepted Answer

A)   !
B)   &
C)   &&
D)   ||
E)   //F) C) and D)
G) None of the above D

Question 5

A flag is a variable, usually of data type ________, that signals whether or not some condition exists.

Accepted Answer

A)   char
B)   string
C)   int
D)   bool
E)   logicalF) A) and E)
G) A) and C)

Question 6

The ________ statement causes other program statements to execute only under certain conditions.

Accepted Answer

A)   logical
B)   relational
C)   cin
D)   cout
E)   ifF) A) and D)
G) None of the above

Question 7

The statement
pass = (score >= 7) ?
 True : false;
does exactly the same thing as the if/else statement below:
if (score >= 7)
pass = True;
else
pass = false;

Accepted Answer

A) True 
 B)False

Question 8

If a switch statement has no ________ statements, the program "falls through" all of the statements below the one with the matching case expression.

Accepted Answer

A)   break
B)   exit
C)   case
D)   default
E)   relationalF) A) and C)
G) A) and E)

Question 9

The ________ statement executes one block of statements if a test condition is True, and another block if the condition is false.

Accepted Answer

A)   if
B)   if/else
C)   if/else if
D)   switch
E)   trailing elseF) A) and D)
G) A) and E)

Question 10

Which of the following correctly declares an enumerated data type named student?

Accepted Answer

A)   enum student { Bill, Tom, Mary };
B)   enum student { "Bill", "Tom", "Mary" };
C)   int Bill = 1, Tom = 2, Mary = 3; enum student { 1, 2, 3 };
D)   Any of the above 3 methods will work.
E)   None of the above 3 methods will work.F) A) and E)
G) C) and E)

Question 11

Relational operators connect two or more relational expressions into one, or reverse the logic of an expression.

Accepted Answer

A) True 
 B)False

Question 12

The following C++ test checks if the variable child is in the range 3 to 12.
if (child >= 3 || child <= 12)

Accepted Answer

A) True 
 B)False

Question 13

When an if statement is placed within the conditionally-executed code of another if statement, this is known as a(n)

Accepted Answer

A)   complex if
B)   overloaded if
C)   nested if
D)   conditional if
E)   double ifF) A) and D)
G) None of the above

Question 14

The C++ ________ operator represents logical AND.

Accepted Answer

A)   ++
B)   . AND.
C)   ||
D)   &
E)   &&F) A) and D)
G) A) and C)

Question 15

If the sub-expression on the left side of an || operator is True, the expression on the right side will not be checked.

Accepted Answer

A) True 
 B)False  True

Question 16

The scope of a variable is the program it is defined in.

Accepted Answer

A) True 
 B)False

Question 17

A(n)  ________ is a variable, usually a bool, that signals when a condition exists.

Accepted Answer

A)   flag
B)   identifier
C)   named constant
D)   condition variable
E)   logical variableF) A) and B)
G) A) and C)

Question 18

Relational expressions and logical expressions are both Boolean, which means they evaluate to True or false.

Accepted Answer

A) True 
 B)False

Question 19

logical operators AND and OR have a higher precedence than the NOT operator.

Accepted Answer

A) True 
 B)False

Question 20

The rule for matching an else with an if is that an else goes with the last if statement before it that doesn't have its own else.

Accepted Answer

A) True 
 B)False

Exam 4: Making Decisions

A pair of characters or a pair of string objects can be compared with any of the relational operators.

Correct AnswerverifiedShow Answer

The following C++ test checks if the variable child is in the range 3 - 12. if (child >= 3 && <= 12)

Correct AnswerverifiedShow Answer

The ________ operator is used in C++ to test for equality.

Correct AnswerverifiedD

The ________ operator is known as the logical OR operator.

Correct AnswerverifiedD

A flag is a variable, usually of data type ________, that signals whether or not some condition exists.

Correct AnswerverifiedShow Answer

The ________ statement causes other program statements to execute only under certain conditions.

Correct AnswerverifiedShow Answer

The statement pass = (score >= 7) ? True : false; does exactly the same thing as the if/else statement below: if (score >= 7) pass = True; else pass = false;

Correct AnswerverifiedShow Answer

If a switch statement has no ________ statements, the program "falls through" all of the statements below the one with the matching case expression.

Correct AnswerverifiedShow Answer

The ________ statement executes one block of statements if a test condition is True, and another block if the condition is false.

Correct AnswerverifiedShow Answer

Which of the following correctly declares an enumerated data type named student?

Correct AnswerverifiedShow Answer

Relational operators connect two or more relational expressions into one, or reverse the logic of an expression.

Correct AnswerverifiedShow Answer

The following C++ test checks if the variable child is in the range 3 to 12. if (child >= 3 || child <= 12)

Correct AnswerverifiedShow Answer

When an if statement is placed within the conditionally-executed code of another if statement, this is known as a(n)

Correct AnswerverifiedShow Answer

The C++ ________ operator represents logical AND.

Correct AnswerverifiedShow Answer

If the sub-expression on the left side of an || operator is True, the expression on the right side will not be checked.

Correct AnswerverifiedTrue

The scope of a variable is the program it is defined in.

Correct AnswerverifiedShow Answer

A(n) ________ is a variable, usually a bool, that signals when a condition exists.

Correct AnswerverifiedShow Answer

Relational expressions and logical expressions are both Boolean, which means they evaluate to True or false.

Correct AnswerverifiedShow Answer

logical operators AND and OR have a higher precedence than the NOT operator.

Correct AnswerverifiedShow Answer

The rule for matching an else with an if is that an else goes with the last if statement before it that doesn't have its own else.

Correct AnswerverifiedShow Answer

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D

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