Thursday 25 September 2014

What is C language?

What is C language?

The C language was developed in 1970 by "DENNIS RICHIE" at Bell laboratories. It is a middle level language.it mean that, it has the simplicity of high level language as well as the power of a low level language. This aspect of C makes it suitable for writing both application program and System programs.
         
        The C language is derived from the B language, Which was written by Ken Thompson at AT&T Bell laboratories and B language was adopted from B CPL (Basic Combined Programming language) developed by Martin Richards at Cambridge University. In 1982 a Committee was formed by ANSI (American National Standard Institute) to Standardize the C language. In 1989, the C language introduced known as ANSI C.
       
       C language is an excellent ,efficient and general-purpose language for most of the application such as- mathematical, business and system software application.C language is small language consisting of only 32 Keyword all known as if, else,for ,while,switch, goto,break, etc. the power of C language is library function that allow to user to add their own function to library.C programs written in C are very portable, program written for one type of computer or operating system can be run on another type of computer or operating system.
    
    Like most imperative languages in the ALGOL tradition, C has facilities for structured programming and allows lexical variable scope and recursion, while a static type system prevents many unintended operations. Its design provides constructs that map efficiently to typical machine instructions, and therefore it has found lasting use in applications that had formerly been coded in assembly language, most notably system software like the Unix computer operating system.

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