बूँद a drop

Introduction Programming is a tool to perform various computations with the help of a machine. There are numerous programming languages(coding language) based on need and machine on which program will execute.  Data Types In our childhood we learned mathematical numbers and the English alphabet(Data Types).  In programming languages like in C data are categorized in different groups.  Function Functions are the building blocks of a programming language. A function performs a designated task.  In C language Syntax to write function without input main(), add(), nothing()  Syntax to write function with integer input(add, subtract, multiply, divide)+ no output void main(int x, int y)  Syntax to write function with integer input + integer output int main(int x, int y)  Syntax to write function with integer input + character output char main(int x, int y)  Types of Function 1. User defined function - defined by the programmer or user to perform designated tasks.  2. Pre defined functions(Lib