Introduction: What
is C Language?
#include<conio.h>
void main()
{
int a,b,sum;
clrsrc();
printf("Enter value of a=");
scanf("%d",&a);
printf(" Enter value of b=");
scanf("%d",&b);
sum=a+b;
printf("Sum of %d and %d = %d"a,b,sum);
getch();
}
Run the program using ctrl+F9
Output will be:
Enter value of a= 50
Enter value of b= 30
Sum of 50 and 30 = 80
In computing C is a general purpose programming language
developed by Dennis Ritchie at “AT & T’s Bell Laboratories” of USA in 1972.
This language was created for a specific purpose i.e. to
design the UNIX operating system.The Unix operating system and virtually all
Unix applications are written in the C language. C has now become a widely used
professional language for various reasons which are:
·
Easy to learn
·
Structured language
·
It can handle low-level activities.
·
It can be compiled on a variety of computers.
Some Facts about C
Language
·
C was basically invented to write an operating
system called UNIX.
·
C language is a successor of B language which
was introduced around 1970
·
The language was formalized in 1988 by the
American National Standard Institute (ANSI).
·
C is a procedural language.
·
Today C is the most widely used System
Programming Language.
·
C language influenced most of the modern world programming
languages which include the mighty C++ and Java as well.
Now let’s create a program to
calculate sum of two numbers using C language
#include<stdio.h>#include<conio.h>
void main()
{
int a,b,sum;
clrsrc();
printf("Enter value of a=");
scanf("%d",&a);
printf(" Enter value of b=");
scanf("%d",&b);
sum=a+b;
printf("Sum of %d and %d = %d"a,b,sum);
getch();
}
Run the program using ctrl+F9
Output will be:
Enter value of a= 50
Enter value of b= 30
Sum of 50 and 30 = 80
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