Saturday, 25 February 2012

What is c ??

 What is C ?

C language is a general purpose and structured programming language developed by 'Dennis Ritchie' at AT &T's Bell Laboratories in the 1972s in USA.
It is also called as 'Procedure oriented programming language.'
C is not specially designed for specific applications areas like COBOL (Common Business-Oriented Language) or FORTRAN (Formula Translation). It is well suited for business and scientific applications. It has some various features like control structures, looping statements, arrays, macros required for these applications.
The C language has following numerous features as:
  • Portability
  • Flexibility
  • Effectiveness and efficiency
  • Reliability
  • Interactivity
Why to use C ?

In today's world of computer programming, there are many high-level languages to choose from, such as C, Pascal, BASIC, and Java. These are all excellent languages suited for most programming tasks. Even so, there are several reasons.

Why many computer professionals feel that C is at the top of the list:

C is a powerful and flexible language. What you can accomplish with C is limited only by your imagination. The language itself places no constraints on you.

 C is used for projects as diverse as operating systems, word processors, graphics, spreadsheets, and even compilers for other languages.

C is a popular language preferred by professional programmers. As a result, a wide variety of C compilers and helpful accessories are available.

C is a portable language. Portable means that a C program written for one computer system (an IBM PC, for example) can be compiled and run on another system (a DEC VAX system, perhaps) with little or no modification. Portability is enhanced by the ANSI standard for C, the set of rules for C compilers.

C is a language of few words, containing only a handful of terms, called keywords, which serve as the base on which the language's functionality is built. You might think that a language with more keywords (sometimes called reserved words) would be more powerful. This isn't true. As you program with C, you will find that it can be programmed to do any task.

C is modular. C code can (and should) be written in routines called functions. These functions can be reused in other applications or programs. By passing pieces of information to the functions, you can create useful, reusable code.
As these features show, C is an excellent choice for your first programming language.

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