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Introduction to C 

C is a widely-used programming language for developing software, and you'll be surprised to learn how many programs are written in it. C plays a vital role to build programming skills. Eg:- Oracle, Core libraries of Android, My SQL, Device driver, Web Browsers, and Unix operating system C is the world's most popular programming language. The root of all modern language is ALGOL, introduced in 1960. This language was the first language to use a block structure. ALGOL gave the concept of structured programming. 

 

Dennis Ritchie created the "C language" in 1972 at AT&T's Bell Labs in the United States by upgrading the "B language." The C programming language is a versatile general-purpose language. C is a quick, portable programming language that runs on all systems.

 

History of C Language:  Before the introduction of the C language Martin Richards developed BCPL (Basic Combined Programming Language) in 1966. Ken Thompson developed "B language" by improving the BCPL language in 1969, Also developed UNIX operating system. Dennis Ritchie developed the "C language" by improving "B language" in 1972 at AT & T's Bell Labs, USA, and co-develop UNIX operating system making it portable.

 

Importance of C Language

C's rising popularity is most likely due to its numerous desirable attributes. It is a powerful programming language with a large number of built-in functions and operators that may be used to create any sophisticated program. The C compiler is well suited for producing both system software and business packages because it combines the capabilities of an assembly language with the advantages of a high-level language. In reality, C is used to write many of the C compilers on the market.

C programs are both efficient and quick. This is due to the fact that it has a wide range of data types and powerful operators. It is significantly faster than BASIC.

The power of ANSI C resides in its built-in functions, which have only 32 keywords. There are several standard functions that can be used to create programs.

C is a very portable language. This means that C programs built for one computer can be run on another with minimal changes. If we plan to utilize a computer with a different operating system, portability is critical.

Because the C programming language is best suited for structured programming, users must think about problems in terms of function modules or blocks. A complete program would be made up of a proper collection of these modules. This modular form facilitates software debugging, testing, and upkeep.

We can add our own functions to the C library at any time. The programming task gets straightforward when a big number of functions are available. Before going into specific features of C, let's have a look at some sample C programmes and see how they work.