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Variables and Data Types

Variables are a way of reserving memory to hold some data and assign names to them so that we don’t

A Variable represents some memory location which is used to store some value. Unlike constants, a variable may take different

Constants are those tokens in C language whose value is fixed and does not change during the execution of a

Identifiers are user-defined tokens used to name variables, functions, etc. An identifier consists of a sequence of letters and digits.

Keywords are those tokens or words whose meaning are already defined within the C language and cannot be changed. As

In C language the smallest unit of a program is called Token. Tokens are created using the C character set.

The character set of C comprises of wide range of symbols that can be used to create tokens. These symbols

Though C language has rich set of features and have enormous advantages, however it suffers from some disadvantages. These include:

C language has in-numerous advantages. The important advantages of C language are described as follows: 1. Easy to Understand: C

C language has a rich set of features. These include: 1. There are a small, fixed number of keywords, including