#include <stdio.h> // Preprocessor
main () // main function
{ // opening the brackets
Printf(“Hello”);
} // close the
brackets.
Advantages Of C
1. C is a small ,
efficient ,powerful and flexible language
2. C is close to computer H/W (architecture).
3. C is standardized, making it more portable compare to
other languages.
4. It contains libraries.
5. Many other languages borrow from Csyntax for ex: Java, java script, perl.
6. UNIX was written in
C.
Disadvantages of C
1. C is designed for professional users.
2. C was not able to automatic checking compare other languages.
3. C does not support modern concept like OOP’s and multithreading.
Data Types In C
Mainly there are two types of data types:
1. Simple or primivitive.
2. Compound or structured or derived.
An primitive data is fundamental unit of information which cannot be broken down
further.
Simple:
integers, floats, characters, pointers.
Derived data is made up of one or more simple data items.
Compound : arrays, structures, unions.