Introductin :-
  1. C is a general-purpose programming language.
  2. Developer bi Dennis Ritchie in 1972 at AT & T Bell Labs.
  3. C has now become a widely use professional language for various reasons.
    • Easy to learn.
    • Structured Language.
    • It produces efficient programs.
    • It can be compiled on a variety of computers.
Facts about C :-
  1. C was invented to write an operating system called Unix.
  2. C is a successor of B language which is introduced around 1970.
  3. C is the only language that exists for the longest period of time in the computer programming history.
  4. C is a very powerful language that has features of both high level & low level language.
  5. C language is seen as the first high-level language in computer programming.
  6. ANSI is the published standards for C language.
  7. In C, identifier must be less than or equal to 32 characters.
  8. There have 32 keywords in C-89 & C-99 added more 5 keywords.
  9. C support 45 operators & they are categorized into 8 groups.
  10. Kernel of a most popular operating system Linux is written in C.
Why to use C ?
C is widely used for systems programming in implementing operating systems and embedded system applications, because C code, when written for portability, can be used for most purposes, yet when needed, system-specific code can be used to access specific hardware addresses .

Application of C
  • Operating System
  • Language Compilers
  • Assemblers
  • Text Editors
  • Modern Programs
  • Language interpreters
Compare 'C' with English Language