# Monthly Archives: April 2016

## Write a program that does not use the inbuilt string function to concatenate two strings 10m Jun2009

Write a program that does not use the inbuilt string function to perform the following: 10m Jun2009 (ii) To concatenate two strings Code:- #include<stdio.h> void main() { void str_concat(char*,char*,char*); char Str1[50],Str2[50],Str3[100]; clrscr(); printf(“\nENTER FIRST STRING TO CONCATE : “); scanf(“%s”,&Str1); printf(“\nENTER SECOND STRING TO CONCATE : “); scanf(“%s”,&Str2); str_concat(Str1,Str2,Str3); printf(“\nSTR1 IS : %s”,Str1); printf(“\nSTR2 IS :… Read More »

## Write a program in ‘C’ to check whether the given year is leap or not. Also explain the logic of the program. 8m Dec2008

Write a program in ‘C’ to check whether the given year is leap or not. Also explain the logic of the program. 8m Dec2008 The leap year formula is: A leap year is divisable by 4, but not by 100 (except if divisable by 400.)   #include<stdio.h> void main(){ int year; clrscr(); printf(“Enter any year:… Read More »

## Write a macro to find out whether the given character is lower case or not 7m Dec2008

Write a macro to find out whether the given character is lower case or not 7m Dec2008 3. (a) Write a macro to find out whether the given character is lower case or not. 7 #include <stdio.h> //#define IS_UPPER_CASE(n) ((n) >= ‘A’ && (n) <= ‘Z’) #define IS_LOWER_CASE(n) ((n) >= ‘a’ && (n) <= ‘z’)… Read More »

## Write a loop that calculate sum of the n elements of the series 5m Dec2008

Write a loop that calculate sum of the n elements of the series 5m Dec2008 Write a loop that calculate sum of the n elements of the series: 5 1+ 7 +13 +19 + 25 + ……. Write the loop in 3 different ways: (i) using while loop (ii) using do-while loop   #include<stdio.h> void… Read More »

## When can two matrices of order m x n and p x q be multiptied? Also write a program in ‘C’ to multiply two such matrices. 10m Dec2008

When can two matrices of order m x n and p x q be multiptied? Also write a program in ‘C’ to multiply two such matrices. 10m Dec2008   The only condition which makes matrix multiplication possible is n should be equal to p (i.e. n==p) n of m x n Matrix and p of… Read More »

## Draw a corresponding flow chart to find the factorial of a given number using recursion. 10m Dec2008

1. (a) Design an algorithm, draw a corresponding flow chart and write a program in ‘C’, to find the factorial of a given number using recursion. 10m Dec2008   Flowchart: Code: #include<stdio.h> void main() { int factorial(); int FACT,NUM; clrscr(); printf(“ENTER NUMBER : “); scanf(“%d”,&NUM); if(NUM>0) { FACT=factorial(NUM); printf(“\nFACTORIAL OF GIVEN NUMBER IS %d “,FACT);… Read More »

## Write a program in 8086 assembly Ianguage that converts each character of string to upper case and to the next character 7m Jun2008

Write a program in 8086 assembly Ianguage that accepts a character string, of maximum 10 characters, from the keyboard, converts each character of string to upper case and converts each character to the next character. i.e. A to B, B to C,and so on. Finally display the string on the screen. 7m Jun2008   DATA… Read More »

## Explain the working of DVD-ROM with ihe help of block diagram. 4m Jun2008

Explain the working of DVD-ROM with the help of block diagram. 4m Jun2008   CD-ROM and DVD-ROM Optical disks use Laser Disk Technology, which is the latest, and the most promising technology for high capacity secondary storage. The advent of the compact disk digital audio system, a non-erasable optical disk, paved the way for the… Read More »

## Explain the operation of a micro programmed control unit with the help of a diagram. 8m Jun2008

Explain the operation of a micro programmed control unit with the help of a diagram. 8m Jun2008   THE MICRO-PROGRAMMED CONTROL The logic of the control unit is specified by a micro-program. A micro-program is also called firmware (midway between the hardware and the software). It consists of: (a) One or more micro-operations to be… Read More »