Question 1

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

Accepted Answer

A) #include B) #define C) #clear NDEBUG D) #define NDEBUG D

Question 2

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 3

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)  B

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Which of the following operators has the lowest precedence?

Accepted Answer

A)   !
B)   ||
C)   &&
D)   =

Question 6

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 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A)   looping
B)   repetition
C)   selection
D)   sequence

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a relational operator?

Accepted Answer

A)   =
B)   ==
C)   !
D)   &&

Question 11

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 12

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 13

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

The answer of The term ____________________ describes a process in...

Question 14

What does <= mean?

Accepted Answer

A)   less than
B)   greater than
C)   less than or equal to
D)   greater than or equal to

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

What is the output of the following code?

Accepted Answer

A)   section 2
B)   section 3
C)   section 4
D)   section 5

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 0

Question 19

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

Accepted Answer

A)   !
B)   |
C)   !=
D)   &

Question 20

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

Accepted Answer

A)   blocked
B)   compound
C)   nested
D)   closed

Exam 4: Control Structures I Selection

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

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

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

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

Which of the following operators has the lowest precedence?

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

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

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

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

Which of the following is a relational operator?

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

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.

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.

What does <= mean?

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

What is the output of the following code?

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

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

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

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