importance of C -:
The increasing popularity of C is probably due to its many desirable qualities. it is a robust language rich set of built in function and operators can be used to write any Complex programs.The C compiler combine the capabilities of an assembly language with the features or a high level language and therefore it is well suited for writing both system software and business package. in fact many of the C compiler available in the market are written in C .
program written in C efficient and fast this is due to its variety of data types and powerful operators it is many time faster than BASIC for example a program to increase a variable from 0 to 15000 takes about 1 second in C. while it takes more than 50 seconds in an interpreter BASIC.
there are 32 keywords in ANSI C and its strength lies in its built-in functions several standard function are available which can be used for developing programs .
C is highly portable this means that C program written for one computer can be run on another with little or no modification.
portability is important if we plan to use a new computer with a different operating system .
C language is well suited for structured programming does requiring the user to think of a problem in terms of function models blocks. a proper collection of these models would make a complete program this modular structure makes program debugging testing and maintenance easier. another important feature of C is its ability to extend itself. A C program is basically a collection of function that are supported by the C library we can continuously add our function to c library. with the availability of a large number of function the programming task become simple.