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Wednesday, 9 December 2015

History of C


There is a similarity between human actions and the way a computer various functions.Nicholas wirth the inventor of computer language -Pascal used to say "A program is equal to algorithm + data.
We perform hundred of activities during a day. An activity could be anything from brushing teeth to making tea and from going to work having dinner. There are two ways to describe in detail any of these activities.
1. By describing Step-by-Step process is called as algorithm.
2.By representing the various steps in the form of diagram is called Flowchart. 


History of C

C programming language was developed in 1972 by Dennis Ritchie at bell laboratories of AT&T(American Telephone & Telegraph),located in U.S.A.
Dennis Ritchie is known as the Father of the c language.
It was developed to overcome the problems of previous languages such as B,BCPL etc.
Intially c language was developed to be used in UNIX Operating System. It inherits many features of previous languages such as B and BCPL. The Unix operating system, the C compiler , and essentially all unix programs have been written in C.C has now became a widely used professional language for various reasons.

  • Easy to learn
  • Structured language.
  • It produces efficient programs.
  • It can handle Low-level activities.
  •  It can be compiled on variety of computer platforms.
Let c the programming languages that were developed before c language.
Language Year Developedby
Algol 1960 InternationalGroup
BCPL 1967 Martin Richard
B 1970 Ken Thompson
Traditonal c 1972 Dennis Ritchie
k & RC 1978 Kernighan & Dennis ritchie
ANSI C 1989 ANSI Committee
ANSI / ISO C 1990 ISO Committee
C99 1999 Standardization Committee

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