Chapter 2 - Introduction
A programming language is designed to help process certain kinds of data consisting of numbers, characters, and strings and to provide useful output known as information. The task of processing of data is accomplished by executing a sequence of precise instruction called a program. These instructions are formed using certain symbols and words according to the same rigid rules known as syntax rules ( or grammar ). Every program instruction must confirm precisely to the syntax rules of the language.
Like any other programming language, C has its own vocabulary and grammar. In this chapter, we will discuss the concepts of constant and variables and their types as they related to C programming language.
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