Question 1

It is possible for a function to have some parameters with default arguments and some without.

Accepted Answer

A) True 
 B)False  True

Question 2

This is a collection of statements that performs a specific task.

Accepted Answer

A)  infinite loop 
B)  variable 
C)  constant 
D)  function 
E)  None of these 
A)  infinite loop 
B)  variable 
C)  constant 
D)  function 
E)  None of these D

Question 3

This is a dummy function that is called instead of the actual function it represents.

Accepted Answer

A)  main function 
B)  stub 
C)  driver 
D)  overloaded function 
A)  main function 
B)  stub 
C)  driver 
D)  overloaded function B

Question 4

The value in this type of local variable persists between function calls.

Accepted Answer

A)  global 
B)  internal 
C)  static 
D)  dynamic 
E)  None of these 
A)  global 
B)  internal 
C)  static 
D)  dynamic 
E)  None of these

Question 5

A function __________ eliminates the need to place a function definition before all calls to the function.

Accepted Answer

A)  header 
B)  prototype 
C)  argument 
D)  parameter 
E)  None of these 
A)  header 
B)  prototype 
C)  argument 
D)  parameter 
E)  None of these

Question 6

Given the following function definition 
void calc (int a, int& b)
{
$\quad$int c;
$\quad$c = a + 2;
$\quad$a = a * 3;
$\quad$b = c + a;
}
What is the output of the following code fragment that invokes calc?
(All variables are of type int)
x = 1;
y = 2;
z = 3;
Calc(x, y);
Cout << x << " " << y << " " << z << endl;

Accepted Answer

A)  1 2 3 
B)  1 6 3 
C)  3 6 3 
D)  1 14 9 
E)  None of these 
A)  1 2 3 
B)  1 6 3 
C)  3 6 3 
D)  1 14 9 
E)  None of these

Question 7

Look at the following function prototype. int myFunction(double);
What is the data type of the funtion's parameter variable?

Accepted Answer

A)  int 
B)  double 
C)  void 
D)  Can't tell from the prototype 
A)  int 
B)  double 
C)  void 
D)  Can't tell from the prototype

Question 8

A parameter is a special-purpose variable that is declared inside the parentheses of a function definition.

Accepted Answer

A) True 
 B)False

Question 9

What is the output of the following program? 
#include <iostream>
using namespace std;
int getValue(int);
int main()
{
$\quad$int x = 2;
$\quad$cout << getValue(x) << endl;
$\quad$return 0;
}
int getValue(int num)
{
$\quad$return num + 5;
}

Accepted Answer

A)  5 
B)  2 
C)  7 
D)  "getValue(x)" 
A)  5 
B)  2 
C)  7 
D)  "getValue(x)"

Question 10

A function is executed when it is

Accepted Answer

A)  defined 
B)  prototyped 
C)  declared 
D)  called 
E)  None of these 
A)  defined 
B)  prototyped 
C)  declared 
D)  called 
E)  None of these

Question 11

A function's return data type must be the same as the function's parameter(s).

Accepted Answer

A) True 
 B)False

Question 12

A(n) _________ argument is passed to a parameter when the actual argument is left out of the function call.

Accepted Answer

A)  false 
B)  true 
C)  null 
D)  default 
E)  None of these 
A)  false 
B)  true 
C)  null 
D)  default 
E)  None of these

Question 13

Functions are ideal for use in menu-driven programs. When a user selects a menu item, the program can ________ the appropriate function.

Accepted Answer

A)  call 
B)  prototype 
C)  define 
D)  declare 
E)  None of these 
A)  call 
B)  prototype 
C)  define 
D)  declare 
E)  None of these

Question 14

Local variables are initialized to zero by default.

Accepted Answer

A) True 
 B)False

Question 15

Here is the header for a function named computeValue: void computeValue(int value)
Which of the following is a valid call to the function?

Accepted Answer

A)  computeValue(10) 
B)  computeValue(10); 
C)  void computeValue(10); 
D)  void computeValue(int x); 
A)  computeValue(10) 
B)  computeValue(10); 
C)  void computeValue(10); 
D)  void computeValue(int x);

Question 16

_________ functions may have the same name, as long as their parameter lists are different.

Accepted Answer

A)  Only two 
B)  Two or more 
C)  Zero 
D)  Un-prototyped 
E)  None of these 
A)  Only two 
B)  Two or more 
C)  Zero 
D)  Un-prototyped 
E)  None of these

Question 17

You may use the exit() function to terminate a program, regardless of which control mechanism is executing.

Accepted Answer

A) True 
 B)False

Question 18

A function can have zero to many parameters, and it can return this many values.

Accepted Answer

A)  zero to many 
B)  no 
C)  only one 
D)  a maximum of ten 
E)  None of these 
A)  zero to many 
B)  no 
C)  only one 
D)  a maximum of ten 
E)  None of these

Question 19

This statement causes a function to end.

Accepted Answer

A)  end 
B)  terminate 
C)  return 
D)  release 
E)  None of these 
A)  end 
B)  terminate 
C)  return 
D)  release 
E)  None of these

Question 20

What is the output of the following program? 
#include <iostream>
using namespace std;
void doSomething(int);
int main()
{
$\quad$int x = 2;
$\quad$cout << x << endl;
$\quad$doSomething(x);
$\quad$cout << x << endl;
$\quad$return 0;
}
void doSomething(int num)
{
$\quad$num = 0;
$\quad$cout << num << endl;
}

Accepted Answer

A)  2
0
2 
B)  2
2
2 
C)  0
0
0 
D)  2
0
0 
A)  2
0
2 
B)  2
2
2 
C)  0
0
0 
D)  2
0
0

It is possible for a function to have some parameters with default arguments and some without.

This is a collection of statements that performs a specific task.

This is a dummy function that is called instead of the actual function it represents.

The value in this type of local variable persists between function calls.

A function __________ eliminates the need to place a function definition before all calls to the function.

Look at the following function prototype. int myFunction(double); What is the data type of the funtion's parameter variable?

A parameter is a special-purpose variable that is declared inside the parentheses of a function definition.

What is the output of the following program? #include <iostream> using namespace std; int getValue(int); int main() { $\quad$ int x = 2; $\quad$ cout << getValue(x) << endl; $\quad$ return 0; } int getValue(int num) { $\quad$ return num + 5; }

A function is executed when it is

A function's return data type must be the same as the function's parameter(s).

A(n) _________ argument is passed to a parameter when the actual argument is left out of the function call.

Functions are ideal for use in menu-driven programs. When a user selects a menu item, the program can ________ the appropriate function.

Local variables are initialized to zero by default.

Here is the header for a function named computeValue: void computeValue(int value) Which of the following is a valid call to the function?

_________ functions may have the same name, as long as their parameter lists are different.

You may use the exit() function to terminate a program, regardless of which control mechanism is executing.

A function can have zero to many parameters, and it can return this many values.

This statement causes a function to end.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Arrays

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 6: Functions

It is possible for a function to have some parameters with default arguments and some without.

This is a collection of statements that performs a specific task.

This is a dummy function that is called instead of the actual function it represents.

The value in this type of local variable persists between function calls.

A function __________ eliminates the need to place a function definition before all calls to the function.

Look at the following function prototype. int myFunction(double); What is the data type of the funtion's parameter variable?

A parameter is a special-purpose variable that is declared inside the parentheses of a function definition.

What is the output of the following program? #include <iostream> using namespace std; int getValue(int); int main() { \quad int x = 2; \quad cout << getValue(x) << endl; \quad return 0; } int getValue(int num) { \quad return num + 5; }

A function is executed when it is

A function's return data type must be the same as the function's parameter(s).

A(n) _________ argument is passed to a parameter when the actual argument is left out of the function call.

Functions are ideal for use in menu-driven programs. When a user selects a menu item, the program can ________ the appropriate function.

Local variables are initialized to zero by default.

Here is the header for a function named computeValue: void computeValue(int value) Which of the following is a valid call to the function?

_________ functions may have the same name, as long as their parameter lists are different.

You may use the exit() function to terminate a program, regardless of which control mechanism is executing.

A function can have zero to many parameters, and it can return this many values.

This statement causes a function to end.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Arrays

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

What is the output of the following program? #include <iostream> using namespace std; int getValue(int); int main() { $\quad$ int x = 2; $\quad$ cout << getValue(x) << endl; $\quad$ return 0; } int getValue(int num) { $\quad$ return num + 5; }