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C language

Introduction
Why learn C?
Files in C
Structure of C program
Variables
Data Type
Printf and Scanf
Programs (Examples)

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C language

Program should simply display "Welcome". Sample Output : Welcome //Program to print Welcome Message #include<stdio.h> int main() { printf("Welcome"); return 0; } printf is a function available(pre defined) in C library which is used to print the specified content in Monitor. Here it prints the String literal "Welcome". Welcome to C language

Data Type

Data Type The type, or data type, or a variable determines a set of values that a variable might take and a set of operations that can be applied to those values. Data types can be broadly classiﬁed as shown in Figure Classiﬁcation of data types C language supports 2 different type of data types: •Primary data types : These are fundamental data types in C namely integer( int ), floating point( float ), character( char ) and void . • Derived data types : Derived data types are nothing but primary datatypes but a little twisted or grouped together like array , stucture , union and pointer . These are discussed in details later. C provides a standard, minimal set of basic data types. Sometimes these are called ‘primitive’ types. More complex data types can be built up from these basic types. C has ﬁve basic data types and they are as fo...

Examples (Basic Programs)

Programs (EXAMPLES) Welcome Program Print an Integer Add Two numbers

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