Introduction of C Language

      1.What is Programming?

• C language is basically Computer Language.
• If we want to talk with each other we use languages like Marathi, Hindi, English etc.Computer can understand Programming languages like C, C++, python, Java, etc,
• Programming languages are set of instructions that we write helps the computer to understand the commands that we are giving.

       2.History of Programming

• It was originally developed at Bell Labs by Dennis Ritchie between 1972 to 1973.
• In 1980 C generally gained popularity.
• C is the successor of B language(before C,B was develpoed).
• C has been standardized  by ANSI(American National Standards Institutes) in 1989 by International Organization of standardization.

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      3.Features of C

• General purpose programing  language.
• Simple and easy to learn.
• Structured programming language.
• Provides faster execution
• It contains 32 keywords ,various data types .
• It can extend itself.
• It is highly portable. 

      4.Application of C      

• Used in embedded system.
• Used for developing system application, desktop applications. 
• Used for developing browsers and their extensions.
• Used to develop databases.
• Used in developing on operating system such as Microsoft windows.
• Used for developing mobile phones operating system.
• Used for compiler production.
• Widely used in IOT applications. 

       5.Commands of C

       

             

COMMANDS	DISCRIPTION
1) include<stdio.h>  :	It include standard input output header file (stdio.h) from the C library before compiling a C program.
2)main()  :	It is the main function from where C program execution begins.
3) {  :	Beginning of the main function.
4)printf() :	This command prints the output on the screen.
5) scanf() :	To take input from the user.
6) & :	Ampersand is the address of operator it is used to get the address of the operator.
7) return 0 :	Ends the main function.
8) } :	End of the main function.
9) after  // and  between /* abc */ :	Text will not execute.
10)for
11)int, float, double, char