What is C Programming Language

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What is C Programming Language

C Programming language is one of the most widely used programming languages in the world. It is a high-level programming language that was created in 1972 by Dennis Ritchie at Bell Labs. C is known for its simplicity, flexibility, and speed, and it has been used to create a wide range of applications, including operating systems, compilers, and video games.

In this blog post you will learn, what is C Programming languages with its features, some important points and, also see first examples.

What is C Programming Language?

C programming language is a general-purpose programming language that is used for system programming, application programming, and embedded programming. It is a compiled language, which means that the code is compiled into machine-readable instructions before being executed. This allows for faster and more efficient execution of the code.

C language is often used for low-level programming tasks, such as operating systems and device drivers, as it allows direct access to the hardware. It is also widely used for writing applications in various domains, including finance, engineering, and gaming. C language is a popular choice for beginners as well as experienced programmers, as it is relatively easy to learn and has a vast range of applications.

What is C Programming Language

First program in C Language

#include <stdio.h>
int main() {
   printf("Hello, World!");
   return 0;

This program prints the message “Hello, World!” on the screen.

Features of C Language

Some of the features of C language that make it so popular are:

  • Portability: C programs can run on different platforms, including Unix, Windows, and Mac.
  • Speed: C programs are known for their fast execution speed.
  • Flexibility: It allows programmers to write programs at a high level of abstraction while also allowing access to low-level system resources.
  • Efficiency: C is an efficient language that uses minimal resources, making it ideal for embedded systems and other resource-constrained environments.
  • Modularity: C language allows for modular programming, which means that a large program can be broken down into smaller modules for easier management and maintenance.

Applications of C Language

C language has been used in a wide range of applications, including:

Operating systems: C is widely used for developing operating systems, including Unix, Linux, and Windows.

Compilers: C language is used to write compilers for other programming languages.

Embedded systems: C language is used for developing software for embedded systems such as microcontrollers and other devices.

Gaming: Many popular video games, including Doom and Quake, were developed using C language.

Finance: C is widely used in finance for developing trading algorithms and other financial applications.

What is C Programming Language

Some Important Points of C Language.

  • C language is considered as the mother language of all the modern programming languages because most of the compilers, JVMs, Kernels, etc. are written in C language, and most of the programming languages follow C syntax, for example, C++, Java, C#, etc.
  • It is generally used to create hardware devices, OS, drivers, kernels, etc. For example, Linux kernel is written in C.
  • C is a procedural language. In C, variables and function prototypes must be declared before being used.
  • In the C language, we break the program into parts using functions. It makes the program easier to understand and modify.


In conclusion, C is a versatile and powerful programming language that has stood the test of time. Its simplicity, flexibility, and speed have made it a popular choice for a wide range of applications, from operating systems to gaming. Whether you are a beginner or an experienced programmer, learning C language can open up a world of possibilities and help you develop efficient and reliable software.

So, in this tutorial you have learned what is C language with it’s features, some important points about C language and also see programming example. I hope you understood this tutorial well, and if you have any doubt about regarding this then you can ask in the comment section.

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