BASICS OF C PROGRAMMING

                        The C program language is a popular and widely used programming language for creating computer programs.If you are interested in becoming a programmer,i will help you .I will teach you to read and write C program.I  explained the basic features of C program for beginners which should help you to understand how does a C program work.In this article,we will walk through the entire language and show you how to become a C programmer,starting at the beginning.You will be amazed at all of the different things you can create once you know C!.

Execution of C program

 Here we will discuss about the execution of C program  step by step.


step1:The line int main() declares the main function.Every C program must have a function named main somewhere in the code.At run time,program execution start at the first line of the main function.In C,the { and } symbols mark beginning and end of a block of code.The line int a,b,c; created three variables(created three memory locations with a address).It help us to store data

step2:Here,the first prompt displayed to the user by using printf statement.The printf statement in C allows you to send output to standard out(for us,the screen).

step3:If you enter a data.It is stored into the memory location "a"."&a" means write  data into the location"a".

step4:Here,the second prompt displayed to the user.

step5:And the second data stored into the second memory location "b".

step6:Here,we will used a formula c=a+b; (the value of a+b is stored into "c")

step7:The line "5+4=9" is formed and displayed to the user.

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THE HISTORY OF C PROGRAM

        C is a general purpose  computer programing language developed in 1972 by Dennis Richie at the bell telephone laboratories for use with UNIX operating system.Although c was developed for implementing system software.It is also widely used for developing portable  application software.
          C is the one of the most popular language for all time and there are very few computer architectures for which a C compiler does not exist.C has greatly influenced many other popular programming  languages,most notably c++ which began as an extension to c.The initial development of C occurred at AT&T Bell telephone laboratories between 1969 and 1973.
        According to Richie,the most creative period occurred in 1972.It was named "C" because it's features were derived from an earlier language called "B",which according to Ken Thompson was a stripped-down version of the BCPL programming language.The origin of C is closely tied to the development of UNIX operating system,originally implemented in assembly language on a PD-7 by Richie and Thompson in incorporating several ideas from colleagues.

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