Fundamentals of Computer Programming and IT by Pearson

566 Solved Question Papers

Refer to the solution of Question 1 (b) of the 2009 paper for the structure of a C⫹⫹ program.

7.

#include<conio.h>

#include<iostream.h>

void main()

{

int n,sum=0;

clrscr();

cout<<”Enter N:”;

cin>>n;

cout<<”Reverse Number is:”;

while(n!⫽0)

{

d⫽n%10;

cout<<d;

n⫽n/10;

sum⫽sum⫹d;

}

cout<<”\nSum of Digits is:”<<sum;

getch();

}

OUTPUT

Enter N: 1234

Reverse Number is: 4321

Sum of Digits is: 10

8.  ere are two ways of opening a fi le in C⫹⫹ .  ese are:

•  e open() function method: We can open a fi le using open() function. Open function is invoked

by the fi le object, and the path of the fi le and mode of opening the fi le is passed as ...