Question 1

The selection structure can be called an if-then structure.

Accepted Answer

A) True 
 B)False

Question 2

You can ask every programming question by using one of only four types of comparison operators in a Boolean expression.

Accepted Answer

A) True 
 B)False

Question 3

In a(n) ____________________ selection, action is required for only one outcome of a question.

Accepted Answer

single-alt...

Question 4

An AND decision can be constructed using a nested ____________________.

Accepted Answer

decision
i...

Question 5

When you use one or more ____ operators to combine two or more Boolean expressions, each Boolean expression must be true for the entire expression to be evaluated as true.

Accepted Answer

A)  AND
B)  OR
C)  NOT
D)  EQUALSE) B) and C)
F) A) and B) A

Question 6

____________________ are diagrams used in mathematics and logic to help describe the truth of an entire expression.

Accepted Answer

Truth tabl...

Question 7

The value of a(n) ____________________ expression can only be true or false.

Accepted Answer

The answer of The value of a(n) ____________________ expression can...

Question 8

Most programming languages allow you to express "greater than or equal to" by typing ____.

Accepted Answer

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

Question 9

The structure that takes one of two paths based on a decision is called a(n)  ____ structure.

Accepted Answer

A)  if-then
B)  if-else
C)  if-then-else
D)  if-endifE) B) and D)
F) C) and D)

Question 10

In pseudocode, the if, else, and endif statements should align ____.

Accepted Answer

A)  diagonally
B)  on the same horizontal line
C)  vertically
D)  horizontallyE) A) and D)
F) C) and D)

Question 11

A(n)  ____ expression is one that represents only one of two states, usually expressed as true or false.

Accepted Answer

A)  alternative
B)  dual
C)  Boolean
D)  doubleE) A) and D)
F) A) and C)

Question 12

Besides being awkward to use, the "____" comparison operator is the one most likely to be different in various programming languages.

Accepted Answer

A)  equal to
B)  greater than
C)  not equal to
D)  less thanE) B) and C)
F) All of the above

Question 13

What is one common error in using an OR selection?

Accepted Answer

A)  using AND logic when OR is needed
B)  creating structured logic
C)  using too many comparison operators
D)  using too few comparison operatorsE) B) and C)
F) A) and C) A

Question 14

A structured selection must have one entry point at the decision, and ____ exit point(s)  when the two logical paths rejoin.

Accepted Answer

A)  one
B)  two
C)  three
D)  fourE) All of the above
F) A) and D)

Question 15

All modern programming languages support ____ types of relational comparison operators.

Accepted Answer

A)  two
B)  three
C)  four
D)  sixE) B) and D)
F) C) and D)

Question 16

A(n)  ____ decision is used when either one of two conditions must be met.

Accepted Answer

A)  case
B)  if
C)  AND
D)  ORE) A) and B)
F) None of the above

Question 17

In an AND decision, why is it good practice to make the first question the one that is less likely to be true?

Accepted Answer

A)  This eliminates all instances of the second decision.
B)  This eliminates as many instances of the second decision as possible.
C)  This eliminates evaluation of the first decision.
D)  This makes program execution longer.E) B) and C)
F) None of the above

Question 18

In pseudocode, a(n)  ____ statement is used to clearly show where the selection structure ends.

Accepted Answer

A)  end
B)  endif
C)  endifelse
D)  stopE) C) and D)
F) B) and D)

Question 19

For greatest program efficiency when using the AND operator, first ask the question that is more likely to be true.

Accepted Answer

A) True 
 B)False  False

Question 20

Many programming languages allow you to use ____ to force an expression to evaluate first.

Accepted Answer

A)  a pound sign
B)  an asterisk
C)  parentheses
D)  quotation marksE) C) and D)
F) B) and C)

Exam 3: Making Decisions

The selection structure can be called an if-then structure.

Correct AnswerverifiedShow Answer

You can ask every programming question by using one of only four types of comparison operators in a Boolean expression.

Correct AnswerverifiedShow Answer

In a(n) ____________________ selection, action is required for only one outcome of a question.

Correct Answerverifiedsingle-alt...View AnswerShow Answer

An AND decision can be constructed using a nested ____________________.

Correct Answerverifieddecisioni...View AnswerShow Answer

When you use one or more ____ operators to combine two or more Boolean expressions, each Boolean expression must be true for the entire expression to be evaluated as true.

Correct AnswerverifiedA

____________________ are diagrams used in mathematics and logic to help describe the truth of an entire expression.

Correct AnswerverifiedTruth tabl...View AnswerShow Answer

The value of a(n) ____________________ expression can only be true or false.

Correct AnswerverifiedShow Answer

Most programming languages allow you to express "greater than or equal to" by typing ____.

Correct AnswerverifiedShow Answer

The structure that takes one of two paths based on a decision is called a(n) ____ structure.

Correct AnswerverifiedShow Answer

In pseudocode, the if, else, and endif statements should align ____.

Correct AnswerverifiedShow Answer

A(n) ____ expression is one that represents only one of two states, usually expressed as true or false.

Correct AnswerverifiedShow Answer

Besides being awkward to use, the "____" comparison operator is the one most likely to be different in various programming languages.

Correct AnswerverifiedShow Answer

What is one common error in using an OR selection?

Correct AnswerverifiedA

A structured selection must have one entry point at the decision, and ____ exit point(s) when the two logical paths rejoin.

Correct AnswerverifiedShow Answer

All modern programming languages support ____ types of relational comparison operators.

Correct AnswerverifiedShow Answer

A(n) ____ decision is used when either one of two conditions must be met.

Correct AnswerverifiedShow Answer

In an AND decision, why is it good practice to make the first question the one that is less likely to be true?

Correct AnswerverifiedShow Answer

In pseudocode, a(n) ____ statement is used to clearly show where the selection structure ends.

Correct AnswerverifiedShow Answer

For greatest program efficiency when using the AND operator, first ask the question that is more likely to be true.

Correct AnswerverifiedFalse

Many programming languages allow you to use ____ to force an expression to evaluate first.

Correct AnswerverifiedShow Answer

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single-alt...
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i...
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A

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Truth tabl...
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A

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False

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