Question 1

What is the result of the following Boolean expression,given that x = 5,y = 3,and z = 8?
X  x

Accepted Answer

A)   True
B)   False
C)   8
D)   5E) B) and D)
F) All of the above

Question 2

In flowcharting,the __________ symbol is used to represent a Boolean expression.

Accepted Answer

The answer of In flowcharting,the __________ symbol is used to...

Question 3

Short -circuit evaluation is only performed with the not operator.

Accepted Answer

A) True 
 B)False

Question 4

Multiple Boolean expressions can be combined by using a logical operator to create __________ expressions.

Accepted Answer

A)   sequential
B)   logical
C)   compound
D)   mathematicalE) A) and B)
F) B) and D)

Question 5

In Python the __________ symbol is used as the equality operator.

Accepted Answer

A)   ==
B)   
C)   
D)   !=E) A) and D)
F) All of the above

Question 6

A Boolean variable can reference one of two values which are

Accepted Answer

A)   yes or no
B)   True or False
C)   T or F
D)   Y or NE) All of the above
F) None of the above

Question 7

Python provides a special version of a decision structure known as the __________ statement,which makes the logic of the nested decision structure simpler to write.

Accepted Answer

The answer of Python provides a special version of a...

Question 8

Decision structures are also known as selection structures.

Accepted Answer

A) True 
 B)False

Question 9

Nested decision statements are one way to test more than one condition.

Accepted Answer

A) True 
 B)False  True

Question 10

A(n)__________ operator determines whether a specific relationship exists between two values.

Accepted Answer

The answer of A(n)__________ operator determines whether a specific relationship...

Question 11

Which logical operators perform short-circuit evaluation?

Accepted Answer

A)   or, not
B)   not, and
C)   or, and
D)   and, or, notE) All of the above
F) A) and D) C

Question 12

Python allows you to compare strings,but it is not case sensitive.

Accepted Answer

A) True 
 B)False  False

Question 13

A(n)__________ decision structure provides only one alternative path of execution.

Accepted Answer

The answer of A(n)__________ decision structure provides only one alternative...

Question 14

When using the __________ logical operator,one or both of the subexpressions must be true for the compound expression to be true.

Accepted Answer

A)   or
B)   and
C)   not
D)   maybeE) A) and C)
F) A) and B)

Question 15

Python uses the same symbols for the assignment operator as for the equality operator.

Accepted Answer

A) True 
 B)False

Question 16

An action in a single alternative decision structure is performed only when the condition is true.

Accepted Answer

A) True 
 B)False

Question 17

In Python the __________ symbol is used as the not-equal-to operator.

Accepted Answer

A)   ==
B)   
C)   
D)   !=E) All of the above
F) A) and B)

Question 18

The if statement causes one or more statements to execute only when a Boolean expression is true.

Accepted Answer

A) True 
 B)False

Question 19

The decision structure that has two possible paths of execution is known as

Accepted Answer

A)   single alternative
B)   double alternative
C)   dual alternative
D)   two alternativeE) All of the above
F) A) and D)

Question 20

The logical __________ operator reverses the truth of a Boolean expression.

Accepted Answer

The answer of The logical __________ operator reverses the truth...

Exam 3: Decision Structures and Boolean Logic

What is the result of the following Boolean expression,given that x = 5,y = 3,and z = 8? X < y or z > x

Correct AnswerverifiedShow Answer

In flowcharting,the __________ symbol is used to represent a Boolean expression.

Correct AnswerverifiedShow Answer

Short -circuit evaluation is only performed with the not operator.

Correct AnswerverifiedShow Answer

Multiple Boolean expressions can be combined by using a logical operator to create __________ expressions.

Correct AnswerverifiedShow Answer

In Python the __________ symbol is used as the equality operator.

Correct AnswerverifiedShow Answer

A Boolean variable can reference one of two values which are

Correct AnswerverifiedShow Answer

Python provides a special version of a decision structure known as the __________ statement,which makes the logic of the nested decision structure simpler to write.

Correct AnswerverifiedShow Answer

Decision structures are also known as selection structures.

Correct AnswerverifiedShow Answer

Nested decision statements are one way to test more than one condition.

Correct AnswerverifiedTrue

A(n)__________ operator determines whether a specific relationship exists between two values.

Correct AnswerverifiedShow Answer

Which logical operators perform short-circuit evaluation?

Correct AnswerverifiedC

Python allows you to compare strings,but it is not case sensitive.

Correct AnswerverifiedFalse

A(n)__________ decision structure provides only one alternative path of execution.

Correct AnswerverifiedShow Answer

When using the __________ logical operator,one or both of the subexpressions must be true for the compound expression to be true.

Correct AnswerverifiedShow Answer

Python uses the same symbols for the assignment operator as for the equality operator.

Correct AnswerverifiedShow Answer

An action in a single alternative decision structure is performed only when the condition is true.

Correct AnswerverifiedShow Answer

In Python the __________ symbol is used as the not-equal-to operator.

Correct AnswerverifiedShow Answer

The if statement causes one or more statements to execute only when a Boolean expression is true.

Correct AnswerverifiedShow Answer

The decision structure that has two possible paths of execution is known as

Correct AnswerverifiedShow Answer

The logical __________ operator reverses the truth of a Boolean expression.

Correct AnswerverifiedShow Answer

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True

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C

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False

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