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C is a programming language developed at AT & T’s Bell Laboratories of USA in 1972. It was designed and written by a man named Dennis Ritchie. In the late seventies C began to replace the more familiar languages of that time like PL/I, ALGOL, etc
C Programming Notes PDF Introduction
C is a procedural programming language. It was initially developed by Dennis Ritchie in the year 1972. It was mainly developed as a system programming language to write an operating system. The main features of the C language include low-level memory access, a simple set of keywords, and a clean style, these features make C language suitable for system programming’s like an operating system or compiler development. Many later languages have borrowed syntax/features directly or indirectly from the C language. Like syntax of Java, PHP, JavaScript, and many other languages are mainly based on the C language. C++ is nearly a superset of C language (Few programs may compile in C, but not in C++).
C programming is considered as the base for other programming languages, that is why it is known as the mother language.
It can be defined in the following ways:
- Mother language
- System programming language
- Procedure-oriented programming language
- Structured programming language
- Mid-level programming language
1. C as a mother 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 provides the core concepts like the array, strings, functions, file handling, etc. that are being used in many languages like C++, Java, C#, etc.
2. C as a system programming language
A system programming language is used to create system software. C language is a system programming language because it can be used to do low-level programming (for example driver and kernel). It is generally used to create hardware devices, OS, drivers, kernels, etc. For example, Linux kernel is written in C.
It can't be used for internet programming like Java, .Net, PHP, etc.
3. C as a procedural language
A procedure is known as a function, method, routine, subroutine, etc. A procedural language specifies a series of steps for the program to solve the problem.
A procedural language breaks the program into functions, data structures, etc.
C is a procedural language. In C, variables and function prototypes must be declared before being used.
4. C as a structured programming language
A structured programming language is a subset of the procedural language. Structure means to break a program into parts or blocks so that it may be easy to understand.
In the C language, we break the program into parts using functions. It makes the program easier to understand and modify.
5. C as a mid-level programming language
C is considered a middle-level language because it supports the feature of both low-level and high-level languages. C language program is converted into assembly code, it supports pointer arithmetic (low-level), but it is machine independent (a feature of high-level).
A Low-level language is specific to one machine, i.e., machine-dependent. It is machine-dependent, fast to run. But it is not easy to understand.
A High-Level language is not specific to one machine, i.e., machine-independent. It is easy to understand.
History of C Language
The history of the C language is interesting to know. Here we are going to discuss a brief history of the c language.
C programming language was developed in 1972 by Dennis Ritchie at bell laboratories of AT&T (American Telephone & Telegraph), located in the U.S.A.
Dennis Ritchie is known as the founder of the c language.
It was developed to overcome the problems of previous languages such as B, BCPL, etc.
Initially, C language was developed to be used in UNIX operating system. It inherits many features of previous languages such as B and BCPL.
Let's see the programming languages that were developed before C language.
Why should you learn C programming?
If you don't know C, you don't know what you are doing as a programmer. Sure, your application works fine and all. But, if you can't say why while (*s++ = *p++); copies a string, you're programming on a superstition. (Joel Spolsky's words, not mine).
1. You will understand how a computer works
If you know C, you will not only know how your program works but, you will be able to create a mental model of how a computer works (including memory management and allocation).
2. C is the lingua franca of programming
Almost all high-level programming languages like Java, Python, Javascript, etc can interface with C programming. Doesn't matter if the person you are talking with doesn't know C, you can still convey your programming ideas in a way they can understand.
3. Opportunity to work on open-source projects
If you know C, you can contribute to large open-source projects that impact hundreds of millions of people. Some of the larger open-source projects where C programming is used are Linux, Kernel, Interpreter, Python, SQLite Database, etc.
4. You will find it much easier to learn other programming languages
A lot of popular programming languages are based on C (and C++, considered superset of C programming with OOP features). Hence, if you know C and C++, you will not have any problem switching to another language.
And also, languages like Java and C# are related to C and C++. And, the syntax of Javascript and PHP is similar to C.
How to learn C Programming?
- C Tutorial Form Different Platform – You can learn C From GeeksforGeek, or many other sites that provide step-by-step C tutorials, examples, and references.
- Through C Programming Notes PDF - Might be hard to follow and understand for beginners. For beginners, it helps to understand the working of programs and computers in general. And, for professionals, it will certainly help you brush up on programming basics.
- Write a lot of C programming code - The only way you can learn programming is by writing a lot of code.
How to Download C Programming Notes PDF Free
- To Download C Programming Notes PDF Simply Click On Below Download Button and You Are Done.
- The C Programming Notes PDF contains Total of 76 Pages. And it contains Basic of All C Programming Language.
- C Programming Lecture Notes PDF Contains Total of 127 Pages. With This Lecture Notes You can Learn Advance Features of C Programming Language.
Conclusion
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