Name: 
 

C++ Functions


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line starts the function declaration?
a.
line 7
b.
line 9
c.
line 11
d.
line 8
e.
line 6
f.
line 2
g.
line 10
h.
line 5
 

 2. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line contains an actual parameter?
a.
line 11
b.
line 7
c.
line 8
d.
line 4
e.
line 5
f.
line 10
g.
line 6
h.
line 9
 

 3. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line uses a function in an assignment statement?
a.
line 11
b.
line 10
c.
line 8
d.
line 2
e.
line 7
f.
line 5
g.
line 6
h.
line 9
 

 4. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line starts the function definition?
a.
line 7
b.
line 5
c.
line 4
d.
line 6
e.
line 8
f.
line 10
g.
line 9
h.
line 11
 

 5. 
According to our style of programming, formal parameters are
a.
located below main().
b.
none of these
c.
located above main().
d.
locate inside main().
 

 6. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line starts the function implementation?
a.
line 9
b.
line 4
c.
line 5
d.
line 11
e.
line 6
f.
line 10
g.
line 8
h.
line 7
 

 7. 
Which is an example of a function being used in an assignment statement?  Assume all declarations are in place and appropriate.
a.
cout << classMidPoint( ucl, ucl ) << endl ;
b.
cout << pow(base, power) << endl;
c.
cout << classMidPoint( 7, 11 ) ;
d.
answer = sqrt(value1 * value2) ;
 

 8. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line is the function heading?
a.
line 4
b.
line 11
c.
line 5
d.
line 6
e.
line 10
f.
line 8
g.
line 7
h.
line 9
 

 9. 
Function prototype is another name for the
a.
function implementation.
b.
function declaration.
c.
function heading.
d.
function definition.
 

 10. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line contains a formal parameter?
a.
line 5
b.
line 9
c.
line 10
d.
line 4
e.
line 6
f.
line 8
g.
line 11
h.
line 7
 

 11. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  if( perimeter(length,width)<100 ); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line uses a function in a mathematical expression.
a.
line 5
b.
line 8
c.
line 11
d.
line 6
e.
line 7
f.
line 9
g.
line 10
h.
line 2
 

 12. 
A function definition is
a.
located above main().
b.
located below main().
c.
locate inside main().
d.
none of these
 

 13. 
A function declaration is
a.
locate inside main().
b.
located below main().
c.
none of these
d.
located above main().
 

 14. 
According to our style of programming, actual parameters are
a.
located below main().
b.
none of these
c.
locate inside main().
d.
located above main().
 

 15. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line starts the function prototype?
a.
line 2
b.
line 8
c.
line 9
d.
line 11
e.
line 7
f.
line 6
g.
line 10
h.
line 5
 

 16. 
#include<iostream.h>  // line 1
int perimeter(int, int);   //line 2
void main()  //line 3
{
  int length=5  ;  //line 4
  int width = 2 ;  // line 5
  int answer, ans ;  //line 6
  cout << “The perimeter is “ << perimeter(length, width) << endl; // line 7
  answer = perimeter(length, width) ;  // line 8
  ans = perimeter(length, width) +  perimeter(length, width); //line 9
}//end main  
int perimeter(int a , int b ) //line 10
{
  return 2*a + 2*b ;  // line 11
}//end function

Which line uses a function in an output statement?
a.
line 6
b.
line 11
c.
line 8
d.
line 2
e.
line 7
f.
line 5
g.
line 10
h.
line 9
 

 17. 
A function implementation is
a.
located below main().
b.
locate inside main().
c.
none of these
d.
located above main().
 

 18. 
A function prototype is
a.
located below main().
b.
locate inside main().
c.
none of these
d.
located above main().
 

 19. 
According to our style of programming, actual parameters are
a.
none of these
b.
locate inside main().
c.
located below main().
d.
located above main().
 

 20. 
A function heading is
a.
located below main().
b.
none of these
c.
located above main().
d.
locate inside main().
 



 
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