1:- Write a program to print “Hello word”.
In morden age the root of all computer
languages is ALGOL , introduced in the early 1960s . ALGOL was the 1st computer languages to use a block structure.
ALGOL gave the concept of structured
programming to the computer science community.
Martin
Richards in the year, 1968 developed a language called BCPL (Basic Combinined programming Languages)
primarily it is written for system software.
In1971, Ken
Thomson created a language using many features of BCPL and called it is simply
“B”. in those days B was used to
create a early versions of UNIX
operating system at the BELL laboratories.
In 1972,
Dennis Ritchie created C-languages with the help of ALGOL ,BCPL and B,.C-
language uses the many concepts of the these languases and other powerful features.it is a robust languases whose rice
set of built-in functions and operators can be used to write any complex
program.
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| c programming |
Write a program to print “Hello word”.
#include<stdio.h>
#include<conio.h>
Void main()
{
Clrscr();
printf(“Hello Shiva”);
getch();
}
Output:- Hello Shiva
 |
| output |
2:- Write a program in C-language to find out area of rectangle.
 |
| c-program of area of rectangle |
Write a program in C-language to find out area of rectangle.
#include<stdio.h>
#include<conio.h>
Void main()
{
Int l, b, area;
Clrscr();
Printf(“Enter the value of Length and breadth \n”);
Scanf(“%d%d”,&l,&b);
area=l*b;
printf(“area=%d”,area);
getch();
}
Input:- Enter the value of Length and breadth
l=4
b=5
Output:- area=20
 |
| output |
3:- Write a program in C-language to find out area of Circle.
Write a program in C-language to find out area of Circle.
#include<stdio.h>
#include<conio.h>
Void main()
{
float r, area;
Clrscr();
Printf(“Enter the value of radius \n”);
Scanf(“%f”,&r);
area=(3.14*(r*r));
printf(“area=%f”,area);
getch();
}
Input:- Enter the value of radius
r=4
output:-50.240002
4:- Write a program in C-language to find out area of Square.
#include<stdio.h>
#include<conio.h>
Void main()
{
float s, area;
Clrscr();
Printf(“Enter the
value of sides \n”);
Scanf(“%f”,&s);
area=(s*s);
printf(“area=%f”,area);
getch();
}
Input:-Enter the value of sides
s= 5
output:- area= 25
5:- Write a program in C
–language to find out area of Triangle.
Write a program in C –language to find out area of Triangle.
#include<stdio.h>
#include<conio.h>
Void main()
{
float h, b, area;
Clrscr();
Printf(“Enter the
value of height and breadth\n”);
Scanf(“%f%f”,&l,&b);
area=((h*b)/2);
printf(“area=%f”,area);
getch();
}
Input:- Enter the value of height and breadth
h=3.5
b= 6
output:- area =10.500000
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