PPT Programming in C - Programming and Data Structures - Computer Science Engineering

 Page 1


Programming in C
Page 2


Programming in C
Introduction to C
Origins
Developed by Dennis 
Ritchie in 1972 at Bell Labs
Classification
A procedural programming 
language with structured 
approach
Primary Purpose
Initially developed as a system programming language to write 
the UNIX operating system
Page 3


Programming in C
Introduction to C
Origins
Developed by Dennis 
Ritchie in 1972 at Bell Labs
Classification
A procedural programming 
language with structured 
approach
Primary Purpose
Initially developed as a system programming language to write 
the UNIX operating system
Main Features of C Language
Low-Level Memory 
Access
Direct manipulation of memory 
addresses and hardware 
interaction
Simple Set of Keywords
Concise language with minimal 
reserved words, making it easier 
to learn
Clean Style
Promotes structured, readable 
code with consistent formatting 
conventions
These core features make C language particularly suitable for system programming tasks such as operating system 
development and compiler creation, where efficiency and direct hardware access are critical requirements.
Page 4


Programming in C
Introduction to C
Origins
Developed by Dennis 
Ritchie in 1972 at Bell Labs
Classification
A procedural programming 
language with structured 
approach
Primary Purpose
Initially developed as a system programming language to write 
the UNIX operating system
Main Features of C Language
Low-Level Memory 
Access
Direct manipulation of memory 
addresses and hardware 
interaction
Simple Set of Keywords
Concise language with minimal 
reserved words, making it easier 
to learn
Clean Style
Promotes structured, readable 
code with consistent formatting 
conventions
These core features make C language particularly suitable for system programming tasks such as operating system 
development and compiler creation, where efficiency and direct hardware access are critical requirements.
C Language Features in Detail (Part 
1)
Simple and Efficient
Basic syntax style is easy to learn and comprehend, enabling programmers to 
quickly redesign or create new applications with minimal complexity.
Fast Execution
As a statically typed, compiler-based language, C offers faster compilation and 
execution compared to interpreter-based languages like Java and Python.
Portability
C programs are largely machine-independent, allowing code to run on various 
platforms with minimal or no changes, making it highly versatile.
Extensibility
Existing C code can be easily extended with new features and functionality 
through simple modifications and additions.
Page 5


Programming in C
Introduction to C
Origins
Developed by Dennis 
Ritchie in 1972 at Bell Labs
Classification
A procedural programming 
language with structured 
approach
Primary Purpose
Initially developed as a system programming language to write 
the UNIX operating system
Main Features of C Language
Low-Level Memory 
Access
Direct manipulation of memory 
addresses and hardware 
interaction
Simple Set of Keywords
Concise language with minimal 
reserved words, making it easier 
to learn
Clean Style
Promotes structured, readable 
code with consistent formatting 
conventions
These core features make C language particularly suitable for system programming tasks such as operating system 
development and compiler creation, where efficiency and direct hardware access are critical requirements.
C Language Features in Detail (Part 
1)
Simple and Efficient
Basic syntax style is easy to learn and comprehend, enabling programmers to 
quickly redesign or create new applications with minimal complexity.
Fast Execution
As a statically typed, compiler-based language, C offers faster compilation and 
execution compared to interpreter-based languages like Java and Python.
Portability
C programs are largely machine-independent, allowing code to run on various 
platforms with minimal or no changes, making it highly versatile.
Extensibility
Existing C code can be easily extended with new features and functionality 
through simple modifications and additions.
C Language Features in Detail (Part 2)
Function-Rich Libraries
Extensive set of built-in functions that simplify 
programming tasks, with the ability to create and 
add user-defined functions.
Dynamic Memory Management
Support for allocating and freeing memory during 
runtime using functions like free() to manage data 
structure size efficiently.
Modularity
Structured language design allows breaking code 
into reusable functions that can be stored in libraries 
for future use.
Mid-Level Language
Combines low-level hardware manipulation with 
high-level programming features, providing the best 
of both worlds.
Additional key features include pointers for direct memory interaction and recursion for creating self-calling functions 
until a condition is met, enabling code reusability and backtracking capabilities.