NIELIT O Level Paper Solution July-2012 C Language

NIELIT O Level Paper Solution July-2012 C Language

1. Objective

1.1 : C

1.2 : C

1.3 : B

1.4 : D

1.5 : A

1.6 : B

1.7 : C

1.8 : B

Even Odd Separation File Creation

Q : Write a ‘C’ Program to create a file of numbers and copy odd number into second file and even number into third file.

Solution :

#include<stdio.h>

#include<conio.h>

void main()

{

     FILE *source,*even_file,*odd_file;

     char ch;

     clrscr();

     source=fopen("test.txt","r");

     even_file=fopen("even.txt","w");

     odd_file=fopen("o

Function

A function is a combination of more than one statement which execute together one by one to achieved some specific task. Function code run while calling. There are many variety of functions some takes arguments and return something or takes argument and doesn’t return and more.

C language is known as building block of function all the things of programming is achieved through function. Program gets start running with main function.

Types

No argument, No return

This type of function neither returns anything nor takes arguments. When a function doesn’t have something to return then void is used. Void indicates no return.

Example

Constructor PHP

Constructor used in object oriented language for allocate space while creating object. A constructor also helps initialize a variable while declaring.

Every object oriented language built in support for programming. PHP is also a server side script and object oriented language. So should know how can you use constructor is elaborate in following example.

<?php
class Foo
{
    private $roll, $name, $city;
    function __construct($roll, $name, $city)
    {
        $this->roll = $roll;