Question 1

The output of the statement: cout << pow(3.0,2.0)+ 5 << endl; is ____.

Accepted Answer

A)  11.0 
B)  12.0 
C)  13.0 
D)  14.0 
A)  11.0 
B)  12.0 
C)  13.0 
D)  14.0 D

Question 2

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

Accepted Answer

A) True 
 B)False  True

Question 3

The statement: return 2 * 3 + 1,1 + 5; returns the value ____.

Accepted Answer

A)  2 
B)  3 
C)  6 
D)  7 
A)  2 
B)  3 
C)  6 
D)  7 C

Question 4

The statement: return 8,10; returns the value ____.

Accepted Answer

A)  8 
B)  10 
C)  18 
D)  80 
A)  8 
B)  10 
C)  18 
D)  80

Question 5

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 6

The standard header file for the abs(x)function is ____.

Accepted Answer

A) B) C) D) A) B) C) D)

Question 7

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 function 
A)  formal parameter 
B)  actual parameter 
C)  data type 
D)  type of the function

Question 8

In C++,:: is called the ____________________.

Accepted Answer

scope reso

Question 9

A variable for which memory remains allocated as long as the program executes is called a(n)____________________ variable.

Accepted Answer

The answer of A variable for which memory remains allocated...

Question 10

Given the following function: 
int strange(int x,int y)
{
$\quad$if (x > y)
$\quad$$\quad$Return x + y;
else
$\quad$Return x - y;
}
What is the output of the following statement?
Cout << strange(4,5)<< endl;

Accepted Answer

A)  -1 
B)  1 
C)  9 
D)  20 
A)  -1 
B)  1 
C)  9 
D)  20

Question 11

Stream variables (for example,ifstream and ofstream)should be passed by ____________________ to a function.

Accepted Answer

The answer of Stream variables (for example,ifstream and ofstream)should be...

Question 12

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

Accepted Answer

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

Question 13

Given the following function prototype: double tryMe(double,double);,which of the following statements is valid? Assume that all variables are properly declared.

Accepted Answer

A) cin >> tryMe(x); B) cout << tryMe(2.0, 3.0); C) cout << tryMe(tryMe(double, double), double); D) cout << tryMe(tryMe(float, float), float); A) cin >> tryMe(x); B) cout << tryMe(2.0, 3.0); C) cout << tryMe(tryMe(double, double), double); D) cout << tryMe(tryMe(float, float), float);

Question 14

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

Accepted Answer

A)  zero 
B)  null 
C)  void 
D)  empty 
A)  zero 
B)  null 
C)  void 
D)  empty

Question 15

The ____________________ of an identifier refers to where in the program an identifier is accessible (visible).

Accepted Answer

The answer of The ____________________ of an identifier refers to...

Question 16

If a formal parameter is a nonconstant reference parameter,during a function call,its corresponding actual parameter must be a(n)____________________.

Accepted Answer

The answer of If a formal parameter is a nonconstant...

Question 17

The ____________________ of a function consists of the function name and its formal parameter list.

Accepted Answer

The answer of The ____________________ of a function consists of...

Question 18

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

Accepted Answer

A)  '$' 
B)  '0' 
C)  '1' 
D)  An error, because you cannot use tolower with '$'. 
A)  '$' 
B)  '0' 
C)  '1' 
D)  An error, because you cannot use tolower with '$'.

Question 19

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)  9.0 
A)  6.0 
B)  7.0 
C)  8.0 
D)  9.0

Question 20

Given the following function prototype: int myFunc(int,int);,which of the following statements is valid? Assume that all variables are properly declared.

Accepted Answer

A) cin >> myFunc(y); B) cout > myFunc('2', '3'); D) cout << myFunc(myFunc(7), 15); A) cin >> myFunc(y); B) cout > myFunc('2', '3'); D) cout << myFunc(myFunc(7), 15);

Exam 6: User-Defined Functions

The output of the statement: cout << pow(3.0,2.0)+ 5 << endl; is ____.

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

The statement: return 2 * 3 + 1,1 + 5; returns the value ____.

The statement: return 8,10; returns the value ____.

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

The standard header file for the abs(x)function is ____.

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

In C++,:: is called the ____________________.

A variable for which memory remains allocated as long as the program executes is called a(n)____________________ variable.

Given the following function: int strange(int x,int y) { \quad if (x > y) \quad\quad Return x + y; else \quad Return x - y; } What is the output of the following statement? Cout << strange(4,5)<< endl;

Stream variables (for example,ifstream and ofstream)should be passed by ____________________ to a function.

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

Given the following function prototype: double tryMe(double,double);,which of the following statements is valid? Assume that all variables are properly declared.

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

The ____________________ of an identifier refers to where in the program an identifier is accessible (visible).

If a formal parameter is a nonconstant reference parameter,during a function call,its corresponding actual parameter must be a(n)____________________.

The ____________________ of a function consists of the function name and its formal parameter list.

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

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

Given the following function prototype: int myFunc(int,int);,which of the following statements is valid? Assume that all variables are properly declared.

An Overview of Computers and Programming Languages

Basic Elements of C++

Input/Output

Control Structures I (Selection)

Control Structures II (Repetition)

User-Defined Simple Data Types, Namespaces, and the string Type

Arrays and Strings

Records (structs)

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, Abstract Classes, and Lists

Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queues

Searching and Sorting Algorithms

Binary Trees

Graphs

Standard Template Library (STL)

Filters

Given the following function: int strange(int x,int y) { $\quad$ if (x > y) $\quad$ $\quad$ Return x + y; else $\quad$ Return x - y; } What is the output of the following statement? Cout << strange(4,5)<< endl;