A computer system is a collection of hardware and software components designed to provide an effective tool for computation. Computer system are used in every walk of life to assist us in the various tasks we perform. The wide availability of the internet has enhance the use of computer for information sharing and communication. Computer system allows us to store, process, display and communicate information. In any modern computer system even a simple one, in general needs several different programs in order to accomplish its various functions.

Saturday, April 15, 2017

C language

C and C++ are closely related programming languages used to create computer programs. Using these languages, programmers write documents called source files and then use a program called a compiler to covert the source files into program files that can be executed by a computer.

The C programming language was designed to be small and portable. As a result, there are some necessary facilities that are not part of the language. For example, storage allocation, string handling, and I/O are provided by the standard library.
The C language was originally designed by Dennis Ritchie for the DEC PDP-11 computer system and the UNIX operating system\, between 1969 and 1973. In the three decades after its first appearance, C became one of the most successful programming languages in history.

In addition to becoming the language of choice for most UNIX programming as microcomputers became capable of running high-level languages C became the language of choice for developing MS-DOS, Windows and Macintosh programs.

C has succeeded because it has satisfied a need for a system implementation language sufficiently abstract and fluent to describe algorithms and interactions in a wide variety of environments, yet efficient enough to displace assembly language.
C language
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