UGC Net Computer Science December-12 Page 5 Solved

UGC Net Computer Science December-12  Page 5 Solved

41. Consider a system having m resources of the same type. These resources are shared by 3 processes A, B and C which have peak demands of 3, 4 and 6 respectively. For what value of m

deadlock will not occur ?

(A) 7

(B) 9

(C) 10

(D) 13

42. The grammar ‘G1’ S -> OSO| ISI | 0|1|→ and the grammar ‘G2’ is S → as |asb| X, X → Xa | a.

Which is the correct statement ?

(A) G1 is ambiguous, G2 is unambiguous

(B) G1 is unambiguous, G2 is ambiguous

(C) Both G1 and G2 are ambiguous

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