Question 1

The result of a logical expression cannot be assigned to an int variable, but it can be assigned to a bool variable.

Accepted Answer

A) True 
 B)False  False

Question 2

In a switch statement, if the value of the expression does not match any of the case values, the statements following the ____________________ label execute.

Accepted Answer

The answer of In a switch statement, if the value...

Question 3

The term ____________________ describes a process in which the computer evaluates a logical expression from left to right and stops as soon as the value of the expression is known.

Accepted Answer

short-circ...

Question 4

Which of the following will cause a logical error if you are attempting to compare x to 5?

Accepted Answer

A)   if (x == 5) 
B)   if (x = 5) 
C)   if (x 
D)   if (x >= 5) E) B) and D)
F) B) and C) B

Question 5

Which of the following operators has the lowest precedence?

Accepted Answer

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

Question 6

If the expression in an assert statement evaluates to true, the program terminates.

Accepted Answer

A) True 
 B)False

Question 7

Once an input stream enters a(n) ____________________ state, all subsequent input statements associated with that input stream are ignored, and the computer continues to execute the program, which produces erroneous results.

Accepted Answer

The answer of Once an input stream enters a(n) ____________________...

Question 8

What does <= mean?

Accepted Answer

A)   less than
B)   greater than
C)   less than or equal to
D)   greater than or equal toE) B) and D)
F) None of the above

Question 9

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

Accepted Answer

A)   35 45 80
B)   35 45 10
C)   35 45 -10
D)   35 45 0E) All of the above
F) A) and B)

Question 10

Which of the following is the "not equal to" relational operator?

Accepted Answer

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

Question 11

In a ____ control structure, the computer executes particular statements depending on some condition(s) .

Accepted Answer

A)   looping
B)   repetition
C)   selection
D)   sequenceE) C) and D)
F) None of the above

Question 12

Which of the following is a relational operator?

Accepted Answer

A)   =
B)   ==
C)   !
D)   &&E) None of the above
F) All of the above

Question 13

In C++, && has a higher precedence than ||.

Accepted Answer

A) True 
 B)False

Question 14

Consider the following statements.
If score is equal to 75, the value of grade is "____________________".

Accepted Answer

The answer of Consider the following statements.
If score is equal...

Question 15

When one control statement is located within another, it is said to be ____.

Accepted Answer

A)   blocked
B)   compound
C)   nested
D)   closedE) A) and B)
F) A) and C)

Question 16

What is the output of the following code?

Accepted Answer

A)   section 2
B)   section 3
C)   section 4
D)   section 5E) All of the above
F) C) and D)

Question 17

The value of the expression 6  'a' && 7 < 4
is ____________________.

Accepted Answer

A) True 
 B)False

Question 18

In C++, both ! and != are relational operators.

Accepted Answer

A) True 
 B)False

Question 19

You can disable assert statements by using which of the following?

Accepted Answer

A) #include B) #define C) #clear NDEBUG D) #define NDEBUGE) A) and B) F) None of the above D

Question 20

A compound statement functions as if it was a single statement.

Accepted Answer

A) True 
 B)False

Exam 4: Control Structures I Selection

The result of a logical expression cannot be assigned to an int variable, but it can be assigned to a bool variable.

Correct AnswerverifiedFalse

In a switch statement, if the value of the expression does not match any of the case values, the statements following the ____________________ label execute.

Correct AnswerverifiedShow Answer

The term ____________________ describes a process in which the computer evaluates a logical expression from left to right and stops as soon as the value of the expression is known.

Correct Answerverifiedshort-circ...View AnswerShow Answer

Which of the following will cause a logical error if you are attempting to compare x to 5?

Correct AnswerverifiedB

Which of the following operators has the lowest precedence?

Correct AnswerverifiedShow Answer

If the expression in an assert statement evaluates to true, the program terminates.

Correct AnswerverifiedShow Answer

Once an input stream enters a(n) ____________________ state, all subsequent input statements associated with that input stream are ignored, and the computer continues to execute the program, which produces erroneous results.

Correct AnswerverifiedShow Answer

What does <= mean?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is the "not equal to" relational operator?

Correct AnswerverifiedShow Answer

In a ____ control structure, the computer executes particular statements depending on some condition(s) .

Correct AnswerverifiedShow Answer

Which of the following is a relational operator?

Correct AnswerverifiedShow Answer

In C++, && has a higher precedence than ||.

Correct AnswerverifiedShow Answer

Consider the following statements. If score is equal to 75, the value of grade is "____________________".

Correct AnswerverifiedShow Answer

When one control statement is located within another, it is said to be ____.

Correct AnswerverifiedShow Answer

What is the output of the following code?

Correct AnswerverifiedShow Answer

The value of the expression 6 < 5 || 'g' > 'a' && 7 < 4 is ____________________.

Correct AnswerverifiedShow Answer

In C++, both ! and != are relational operators.

Correct AnswerverifiedShow Answer

You can disable assert statements by using which of the following?

Correct AnswerverifiedD

A compound statement functions as if it was a single statement.

Correct AnswerverifiedShow Answer

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False

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short-circ...
View Answer

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B

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D

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