BCPL was developed by Martin Richards at Bell Labs in 1966 to write compilers for other languages. It influenced the development of B, created by Ken Thomson at Bell Labs in 1969 to regenerate BCPL and write system programs. B was then influential on the creation of C by Dennis Ritchie at Bell Labs in 1972 to reimplement Unix, adding data types to B. C has since become standardized and evolved into modern versions like C11, while influencing object-oriented languages like C++.

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2. BCPL:{}
Stands for: Basic Combined Programming Language
Purpose: To write compilers for other programming
Languages
Developed by: Mr. Martin Richards
Developed at: At & T Bell labs
Development year: 1966
Limitation: Follow too low level coding style, not
suitable for developing complex software Applications.
Influenced to: B programming Language
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3. B Programming Language
Purpose: To regenerate BCPL language and write
system programs
Developed by: Mr. Ken Thomson
Developed at: At & T Bell labs
Development year: 1969
Limitation: Not quite suitable to implement Unix OS,
not suitable for developing moderately complex
programs.
Influenced to: C programming Language
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4. C programming Language: B with datatypes
Purpose: To reimplement Unix OS
Developed by: Mr. Dennis Ritchie
Developed at: At & T Bell labs
Development year: 1972
Limitation: Not suitable to represent real world
and solve most of the real world problems.
Influenced to: C++ ( C with Object Oriented
Programming)
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5. 1983 : ANSI (American National Standards Institute)
established standard specification for C.
1989 : Based on the standard specification, IEEE
(Institute of Electrical and Electronics Engineers)
released new version of C with the name ANSI C,
standard c or C89.
1990 : ISO (International Organization for
Standardization) adopted ANSI C standard and
named C90.
December 2011 : Standard and stable C language
been released with the name C11. 17/11/2023
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6. Features of C:
• Structured Programming
• Portable
• Mid-level Programming Language
• Rich Library
• Dynamic Memory allocation
• Speed
• Pointers
• Recursion
• Extensible 17/11/2023
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