Question 1

If a function needs to return more than one value, as a rule of good programming style, you should change it to a(n) ____________________ function and use the appropriate reference parameters to return the values.

Accepted Answer

The answer of If a function needs to return more...

Question 2

Given the following function: what is the output of the following statement?
Cout

Accepted Answer

A)   -1
B)   1
C)   9
D)   20E) A) and B)
F) B) and D)

Question 3

Given the following function: what is the output of the following statement?
Cout

Accepted Answer

A)   5
B)   6
C)   7
D)   8E) B) and D)
F) C) and D)

Question 4

The function main is always compiled first, regardless of where in the program the function main is placed.

Accepted Answer

A) True 
 B)False

Question 5

The output of the statement: cout << pow(2.0, pow(3.0, 1.0) )  << endl;
Is ____.

Accepted Answer

A)   6.0
B)   7.0
C)   8.0
D)   9.0E) All of the above
F) A) and B)

Question 6

Using functions greatly enhances a program's readability because it reduces the complexity of the function main.

Accepted Answer

A) True 
 B)False

Question 7

Once you write and properly debug a function, you can use it in the program (or different programs) again and again without having to rewrite the same code repeatedly.

Accepted Answer

A) True 
 B)False

Question 8

Given the function prototype: ​
Double testAlpha(int u, char v, double t) ;
​
Which of the following statements is legal?

Accepted Answer

A)   cout 
B)   cout 
C)   cout 
D)   cout << testAlpha(5.0, "65", 2.0) ;E) B) and C)
F) A) and B)

Question 9

A variable listed in a header is known as a(n)  ____ parameter.

Accepted Answer

A)   actual
B)   local
C)   formal
D)   functionE) None of the above
F) B) and C)

Question 10

A variable or expression listed in a call to a function is called the ____.

Accepted Answer

A)   formal parameter
B)   actual parameter
C)   data type
D)   type of the functionE) A) and B)
F) A) and C)

Question 11

Functions that do not have a return type are called ____ functions.

Accepted Answer

A)   zero
B)   null
C)   void
D)   emptyE) A) and C)
F) B) and D)

Question 12

Given the function prototype: float test(int, int, int) ;
Which of the following statements is legal?

Accepted Answer

A)   cout 
B)   cout 
C)   cout 
D)   cout << test(7, 14, 23) ;E) B) and D)
F) None of the above

Question 13

The output of the statement: cout << tolower('$')  << endl;
Is ____.

Accepted Answer

A)   '$'
B)   '0'
C)   '1'
D)   An error, because you cannot use tolower with '$'.E) None of the above
F) A) and D)

Question 14

Which of the following function prototypes is valid?

Accepted Answer

A)   int funcTest(int x, int y, float z) {}
B)   funcTest(int x, int y, float) {};
C)   int funcTest(int, int y, float z) 
D)   int funcTest(int, int, float) ;E) None of the above
F) A) and B)

Question 15

If the formal parameter list of a function is empty, the parentheses after the function name are not needed.

Accepted Answer

A) True 
 B)False

Question 16

To use the predefined function tolower, the program must include the header file ____.

Accepted Answer

A) B) C) D) E) B) and D) F) A) and D)

Question 17

Which statement below about prototypes and headers is true?

Accepted Answer

A)   Parameter names must be listed in the prototype, but not necessarily in the header.
B)   Prototypes end with a semicolon, but headers do not.
C)   Headers should come before prototypes.
D)   Headers end with a semicolon, but prototypes do not.E) All of the above
F) B) and C)

Question 18

In C++, a function prototype is the function heading without the body of the function.

Accepted Answer

A) True 
 B)False

Question 19

A function ____________________ is a function that is not fully coded.

Accepted Answer

The answer of A function ____________________ is a function that...

Question 20

The following return statement returns the value 10.
return 10, 16;

Accepted Answer

A) True 
 B)False

Exam 6: User-Defined Function

A variable or expression listed in a call to a function is called the ____.

Correct AnswerverifiedShow Answer

Which statement below about prototypes and headers is true?

Correct AnswerverifiedShow Answer

If the formal parameter list of a function is empty, the parentheses after the function name are not needed.

Correct AnswerverifiedShow Answer

The output of the statement: cout << tolower('$') << endl; Is ____.

Correct AnswerverifiedShow Answer

If a function needs to return more than one value, as a rule of good programming style, you should change it to a(n) ____________________ function and use the appropriate reference parameters to return the values.

Correct AnswerverifiedShow Answer

Once you write and properly debug a function, you can use it in the program (or different programs) again and again without having to rewrite the same code repeatedly.

Correct AnswerverifiedShow Answer

The function main is always compiled first, regardless of where in the program the function main is placed.

Correct AnswerverifiedShow Answer

Given the following function: what is the output of the following statement? Cout << next(next(5) ) << endl;

Correct AnswerverifiedShow Answer

A variable listed in a header is known as a(n) ____ parameter.

Correct AnswerverifiedShow Answer

In C++, a function prototype is the function heading without the body of the function.

Correct AnswerverifiedShow Answer

Using functions greatly enhances a program's readability because it reduces the complexity of the function main.

Correct AnswerverifiedShow Answer

Given the following function: what is the output of the following statement? Cout << strange(4, 5) << endl;

Correct AnswerverifiedShow Answer

Functions that do not have a return type are called ____ functions.

Correct AnswerverifiedShow Answer

Given the function prototype: ​ Double testAlpha(int u, char v, double t) ; ​ Which of the following statements is legal?

Correct AnswerverifiedShow Answer

Which of the following function prototypes is valid?

Correct AnswerverifiedShow Answer

The output of the statement: cout << pow(2.0, pow(3.0, 1.0) ) << endl; Is ____.

Correct AnswerverifiedShow Answer

To use the predefined function tolower, the program must include the header file ____.

Correct AnswerverifiedShow Answer

Given the function prototype: float test(int, int, int) ; Which of the following statements is legal?

Correct AnswerverifiedShow Answer

A function ____________________ is a function that is not fully coded.

Correct AnswerverifiedShow Answer

The following return statement returns the value 10. return 10, 16;

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Given the function prototype: Double testAlpha(int u, char v, double t) ; Which of the following statements is legal?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified